{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "net_sched: hfsc: Fix a UAF vulnerability in class handling {CVE-2025-37797}\n- sunrpc: handle SVC_GARBAGE during svc auth processing as auth error {CVE-2025-38089}\n- net: ch9200: fix uninitialised access during mii_nway_restart {CVE-2025-38086}\n- ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() {CVE-2025-22121}\n- locking/csd_lock: Change csdlock_debug from early_param to __setup {CVE-2022-50091}\n- x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes {CVE-2025-21991}\n- ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead {CVE-2022-49977}\n- NFSv4/pnfs: Fix a use-after-free bug in open {CVE-2022-50072}\n- NFSv4: Don't hold the layoutget locks across multiple RPC calls {CVE-2022-49316}\n- mm/khugepaged: fix ->anon_vma race {CVE-2023-52935}", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/advisories/2025/clsa-2025_1755682686.json" }, { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686" } ], "tracking": { "current_release_date": "2026-02-16T09:35:22Z", "generator": { "date": "2026-02-16T09:35:22Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2025:1755682686", "initial_release_date": "2025-08-20T09:38:09Z", "revision_history": [ { "date": "2025-08-20T09:38:09Z", "number": "1", "summary": "Initial version" }, { "date": "2025-08-20T12:04:47Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-02-16T09:35:22Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "kernel: Fix of 10 CVEs" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "AlmaLinux 9.2", "product": { "name": "AlmaLinux 9.2", "product_id": "AlmaLinux-9.2", "product_identification_helper": { "cpe": "cpe:2.3:o:almalinux:almalinux:9.2:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "AlmaLinux" } ], "category": "vendor", "name": "AlmaLinux OS Foundation" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "product": { "name": "kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "product_id": "kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-core@5.14.0-284.1101.el9_2.tuxcare.7.els17?arch=x86_64" } } }, { "category": "product_version", "name": 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"name": "kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" }, "product_reference": "kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" }, "product_reference": "kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" }, { "category": "default_component_of", "full_product_name": { "name": "bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64 as a component of AlmaLinux 9.2", "product_id": "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64" }, "product_reference": "bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "relates_to_product_reference": "AlmaLinux-9.2" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-21991", "cwe": { "id": "CWE-129", "name": "Improper Validation of Array Index" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes\n\nCurrently, load_microcode_amd() iterates over all NUMA nodes, retrieves their\nCPU masks and unconditionally accesses per-CPU data for the first CPU of each\nmask.\n\nAccording to Documentation/admin-guide/mm/numaperf.rst:\n\n \"Some memory may share the same node as a CPU, and others are provided as\n memory only nodes.\"\n\nTherefore, some node CPU masks may be empty and wouldn't have a \"first CPU\".\n\nOn a machine with far memory (and therefore CPU-less NUMA nodes):\n- cpumask_of_node(nid) is 0\n- cpumask_first(0) is CONFIG_NR_CPUS\n- cpu_data(CONFIG_NR_CPUS) accesses the cpu_info per-CPU array at an\n index that is 1 out of bounds\n\nThis does not have any security implications since flashing microcode is\na privileged operation but I believe this has reliability implications by\npotentially corrupting memory while flashing a microcode update.\n\nWhen booting with CONFIG_UBSAN_BOUNDS=y on an AMD machine that flashes\na microcode update. I get the following splat:\n\n UBSAN: array-index-out-of-bounds in arch/x86/kernel/cpu/microcode/amd.c:X:Y\n index 512 is out of range for type 'unsigned long[512]'\n [...]\n Call Trace:\n dump_stack\n __ubsan_handle_out_of_bounds\n load_microcode_amd\n request_microcode_amd\n reload_store\n kernfs_fop_write_iter\n vfs_write\n ksys_write\n do_syscall_64\n entry_SYSCALL_64_after_hwframe\n\nChange the loop to go over only NUMA nodes which have CPUs before determining\nwhether the first CPU on the respective node needs microcode update.\n\n [ bp: Massage commit message, fix typo. ]", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ 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"https://git.kernel.org/stable/c/985a536e04bbfffb1770df43c6470f635a6b1073", "url": "https://git.kernel.org/stable/c/985a536e04bbfffb1770df43c6470f635a6b1073" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/d509c4731090ebd9bbdb72c70a2d70003ae81f4f", "url": "https://git.kernel.org/stable/c/d509c4731090ebd9bbdb72c70a2d70003ae81f4f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/e3e89178a9f4a80092578af3ff3c8478f9187d59", "url": "https://git.kernel.org/stable/c/e3e89178a9f4a80092578af3ff3c8478f9187d59" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/e686349cc19e800dac8971929089ba5ff59abfb0", "url": "https://git.kernel.org/stable/c/e686349cc19e800dac8971929089ba5ff59abfb0" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/ec52240622c4d218d0240079b7c1d3ec2328a9f4", "url": "https://git.kernel.org/stable/c/ec52240622c4d218d0240079b7c1d3ec2328a9f4" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html" } ], "release_date": "2025-04-02T13:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-matched-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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which is initialised\nwith control_read(). However \"buff\" is conditionally\ninitialised inside control_read():\n\n if (err == size) {\n memcpy(data, buf, size);\n }\n\nIf the condition of \"err == size\" is not met, then\n\"buff\" remains uninitialised. Once this happens the\nuninitialised \"buff\" is accessed and returned during\nch9200_mdio_read():\n\n return (buff[0] | buff[1] << 8);\n\nThe problem stems from the fact that ch9200_mdio_read()\nignores the return value of control_read(), leading to\nuinit-access of \"buff\".\n\nTo fix this we should check the return value of\ncontrol_read() and return early on error.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", 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"AlmaLinux-9.2:rtla-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-38086" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/119766de4930ff40db9f36b960cb53b0c400e81b", "url": "https://git.kernel.org/stable/c/119766de4930ff40db9f36b960cb53b0c400e81b" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/33163c68d2e3061fa3935b5f0a1867958b1cdbd2", "url": "https://git.kernel.org/stable/c/33163c68d2e3061fa3935b5f0a1867958b1cdbd2" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/4da7fcc098218ff92b2e83a43f545c02f714cedd", "url": "https://git.kernel.org/stable/c/4da7fcc098218ff92b2e83a43f545c02f714cedd" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/6bd2569d0b2f918e9581f744df0263caf73ee76c", "url": "https://git.kernel.org/stable/c/6bd2569d0b2f918e9581f744df0263caf73ee76c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/9a350f30d65197354706b7759b5c89d6c267b1a9", "url": "https://git.kernel.org/stable/c/9a350f30d65197354706b7759b5c89d6c267b1a9" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/9ad0452c0277b816a435433cca601304cfac7c21", "url": "https://git.kernel.org/stable/c/9ad0452c0277b816a435433cca601304cfac7c21" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/9da3e442714f7f4393ff01c265c4959c03e88c2f", "url": "https://git.kernel.org/stable/c/9da3e442714f7f4393ff01c265c4959c03e88c2f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/cdaa6d1cb2ff1219c6c822b27655dd170ffb0f72", "url": "https://git.kernel.org/stable/c/cdaa6d1cb2ff1219c6c822b27655dd170ffb0f72" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" } ], "release_date": "2025-06-28T08:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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If set, csdlock_debug()\ninvokes static_branch_enable() to enable csd_lock_wait feature, which\ntriggers a panic on arm64 for kernels built with CONFIG_SPARSEMEM=y and\nCONFIG_SPARSEMEM_VMEMMAP=n.\n\nWith CONFIG_SPARSEMEM_VMEMMAP=n, __nr_to_section is called in\nstatic_key_enable() and returns NULL, resulting in a NULL dereference\nbecause mem_section is initialized only later in sparse_init().\n\nThis is also a problem for powerpc because early_param() functions\nare invoked earlier than jump_label_init(), also resulting in\nstatic_key_enable() failures. These failures cause the warning \"static\nkey 'xxx' used before call to jump_label_init()\".\n\nThus, early_param is too early for csd_lock_wait to run\nstatic_branch_enable(), so changes it to __setup to fix these.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"https://git.kernel.org/stable/c/05de9e2e33b1625c71aee69e353fe906dd2be88a", "url": "https://git.kernel.org/stable/c/05de9e2e33b1625c71aee69e353fe906dd2be88a" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/9c9b26b0df270d4f9246e483a44686fca951a29c", "url": "https://git.kernel.org/stable/c/9c9b26b0df270d4f9246e483a44686fca951a29c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/b480d1e9a8c11ecc1c99dc01814b28e3103bd0a0", "url": "https://git.kernel.org/stable/c/b480d1e9a8c11ecc1c99dc01814b28e3103bd0a0" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/d2cbdbe22b5f190055d2d0ae92e7454479343a30", "url": "https://git.kernel.org/stable/c/d2cbdbe22b5f190055d2d0ae92e7454479343a30" } ], "release_date": "2025-06-18T11:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: 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The reason is that those calls could trigger\na recall, which could deadlock.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"https://git.kernel.org/stable/c/08d7a26d115cc7892668baa9750f64bd8baca29b" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/0ee5b9644f06b4d3cdcd9544f43f63312e425a4c", "url": "https://git.kernel.org/stable/c/0ee5b9644f06b4d3cdcd9544f43f63312e425a4c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/6949493884fe88500de4af182588e071cf1544ee", "url": "https://git.kernel.org/stable/c/6949493884fe88500de4af182588e071cf1544ee" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010", "url": "https://git.kernel.org/stable/c/6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/a2b3be930e79cc5d9d829f158e31172b2043f0cd", "url": "https://git.kernel.org/stable/c/a2b3be930e79cc5d9d829f158e31172b2043f0cd" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e", "url": 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__register_ftrace_function\n ...\n add_ftrace_ops(&ftrace_ops_list, ops)\n ...\n ...\n ftrace_startup_enable // if ftrace failed to modify, ftrace_disabled is set to 1\n ...\n return 0 // ops is in the ftrace_ops_list.\n\nWhen ftrace_disabled = 1, unregister_ftrace_function simply returns without doing anything:\nunregister_ftrace_function\n ftrace_shutdown\n if (unlikely(ftrace_disabled))\n return -ENODEV; // return here, __unregister_ftrace_function is not executed,\n // as a result, ops is still in the ftrace_ops_list\n __unregister_ftrace_function\n ...\n\nIf ops is dynamically allocated, it will be free later, in this case,\nis_ftrace_trampoline accesses NULL pointer:\n\nis_ftrace_trampoline\n ftrace_ops_trampoline\n do_for_each_ftrace_op(op, ftrace_ops_list) // OOPS! op may be NULL!\n\nSyzkaller reports as follows:\n[ 1203.506103] BUG: kernel NULL pointer dereference, address: 000000000000010b\n[ 1203.508039] #PF: supervisor read access in kernel mode\n[ 1203.508798] #PF: error_code(0x0000) - not-present page\n[ 1203.509558] PGD 800000011660b067 P4D 800000011660b067 PUD 130fb8067 PMD 0\n[ 1203.510560] Oops: 0000 [#1] SMP KASAN PTI\n[ 1203.511189] CPU: 6 PID: 29532 Comm: syz-executor.2 Tainted: G B W 5.10.0 #8\n[ 1203.512324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[ 1203.513895] RIP: 0010:is_ftrace_trampoline+0x26/0xb0\n[ 1203.514644] Code: ff eb d3 90 41 55 41 54 49 89 fc 55 53 e8 f2 00 fd ff 48 8b 1d 3b 35 5d 03 e8 e6 00 fd ff 48 8d bb 90 00 00 00 e8 2a 81 26 00 <48> 8b ab 90 00 00 00 48 85 ed 74 1d e8 c9 00 fd ff 48 8d bb 98 00\n[ 1203.518838] RSP: 0018:ffffc900012cf960 EFLAGS: 00010246\n[ 1203.520092] RAX: 0000000000000000 RBX: 000000000000007b RCX: ffffffff8a331866\n[ 1203.521469] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000010b\n[ 1203.522583] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8df18b07\n[ 1203.523550] R10: fffffbfff1be3160 R11: 0000000000000001 R12: 0000000000478399\n[ 1203.524596] R13: 0000000000000000 R14: ffff888145088000 R15: 0000000000000008\n[ 1203.525634] FS: 00007f429f5f4700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000\n[ 1203.526801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1203.527626] CR2: 000000000000010b CR3: 0000000170e1e001 CR4: 00000000003706e0\n[ 1203.528611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 1203.529605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n\nTherefore, when ftrace_startup_enable fails, we need to rollback registration\nprocess and remove ops from ftrace_ops_list.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ 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"https://git.kernel.org/stable/c/c3b0f72e805f0801f05fa2aa52011c4bfc694c44", "url": "https://git.kernel.org/stable/c/c3b0f72e805f0801f05fa2aa52011c4bfc694c44" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/d81bd6671f45fde4c3ac7fd7733c6e3082ae9d8e", "url": "https://git.kernel.org/stable/c/d81bd6671f45fde4c3ac7fd7733c6e3082ae9d8e" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/dbd8c8fc60480e3faa3ae7e27ebe03371ecd1b77", "url": "https://git.kernel.org/stable/c/dbd8c8fc60480e3faa3ae7e27ebe03371ecd1b77" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/ddffe882d74ef43a3494f0ab0c24baf076c45f96", "url": "https://git.kernel.org/stable/c/ddffe882d74ef43a3494f0ab0c24baf076c45f96" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/e4ae97295984ff1b9b340ed18ae1b066f36b7835", "url": "https://git.kernel.org/stable/c/e4ae97295984ff1b9b340ed18ae1b066f36b7835" } ], "release_date": "2025-06-18T11:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-matched-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"AlmaLinux-9.2:perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:python3-perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:rtla-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ] }, { "cve": "CVE-2025-37797", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: hfsc: Fix a UAF vulnerability in class handling\n\nThis patch fixes a Use-After-Free vulnerability in the HFSC qdisc class\nhandling. The issue occurs due to a time-of-check/time-of-use condition\nin hfsc_change_class() when working with certain child qdiscs like netem\nor codel.\n\nThe vulnerability works as follows:\n1. hfsc_change_class() checks if a class has packets (q.qlen != 0)\n2. It then calls qdisc_peek_len(), which for certain qdiscs (e.g.,\n codel, netem) might drop packets and empty the queue\n3. The code continues assuming the queue is still non-empty, adding\n the class to vttree\n4. This breaks HFSC scheduler assumptions that only non-empty classes\n are in vttree\n5. Later, when the class is destroyed, this can lead to a Use-After-Free\n\nThe fix adds a second queue length check after qdisc_peek_len() to verify\nthe queue wasn't emptied.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"https://git.kernel.org/stable/c/20d584a33e480ae80d105f43e0e7b56784da41b9", "url": "https://git.kernel.org/stable/c/20d584a33e480ae80d105f43e0e7b56784da41b9" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/28b09a067831f7317c3841812276022d6c940677", "url": "https://git.kernel.org/stable/c/28b09a067831f7317c3841812276022d6c940677" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/39b9095dd3b55d9b2743df038c32138efa34a9de", "url": "https://git.kernel.org/stable/c/39b9095dd3b55d9b2743df038c32138efa34a9de" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/3aa852e3605000d5c47035c3fc3a986d14ccfa9f", "url": "https://git.kernel.org/stable/c/3aa852e3605000d5c47035c3fc3a986d14ccfa9f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/3df275ef0a6ae181e8428a6589ef5d5231e58b5c", "url": "https://git.kernel.org/stable/c/3df275ef0a6ae181e8428a6589ef5d5231e58b5c" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/86cd4641c713455a4f1c8e54c370c598c2b1cee0", "url": "https://git.kernel.org/stable/c/86cd4641c713455a4f1c8e54c370c598c2b1cee0" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/bb583c88d23b72d8d16453d24856c99bd93dadf5", "url": "https://git.kernel.org/stable/c/bb583c88d23b72d8d16453d24856c99bd93dadf5" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/fcc8ede663569c704fb00a702973bd6c00373283", "url": "https://git.kernel.org/stable/c/fcc8ede663569c704fb00a702973bd6c00373283" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html" } ], "release_date": "2025-05-02T15:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-matched-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"AlmaLinux-9.2:perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:python3-perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:rtla-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2025-38089", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: handle SVC_GARBAGE during svc auth processing as auth error\n\ntianshuo han reported a remotely-triggerable crash if the client sends a\nkernel RPC server a specially crafted packet. If decoding the RPC reply\nfails in such a way that SVC_GARBAGE is returned without setting the\nrq_accept_statp pointer, then that pointer can be dereferenced and a\nvalue stored there.\n\nIf it's the first time the thread has processed an RPC, then that\npointer will be set to NULL and the kernel will crash. In other cases,\nit could create a memory scribble.\n\nThe server sunrpc code treats a SVC_GARBAGE return from svc_authenticate\nor pg_authenticate as if it should send a GARBAGE_ARGS reply. RFC 5531\nsays that if authentication fails that the RPC should be rejected\ninstead with a status of AUTH_ERR.\n\nHandle a SVC_GARBAGE return as an AUTH_ERROR, with a reason of\nAUTH_BADCRED instead of returning GARBAGE_ARGS in that case. This\nsidesteps the whole problem of touching the rpc_accept_statp pointer in\nthis situation and avoids the crash.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"https://git.kernel.org/stable/c/353e75b55e583635bf71cde6abcec274dba05edd", "url": "https://git.kernel.org/stable/c/353e75b55e583635bf71cde6abcec274dba05edd" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/599c489eea793821232a2f69a00fa57d82b0ac98", "url": "https://git.kernel.org/stable/c/599c489eea793821232a2f69a00fa57d82b0ac98" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/94d10a4dba0bc482f2b01e39f06d5513d0f75742", "url": "https://git.kernel.org/stable/c/94d10a4dba0bc482f2b01e39f06d5513d0f75742" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c90459cd58bb421d275337093d8e901e0ba748dd", "url": "https://git.kernel.org/stable/c/c90459cd58bb421d275337093d8e901e0ba748dd" }, { "category": "external", "summary": "https://github.com/keymaker-arch/NFSundown", "url": "https://github.com/keymaker-arch/NFSundown" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2025/07/02/2", "url": "https://www.openwall.com/lists/oss-security/2025/07/02/2" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2025/07/02/2", "url": "http://www.openwall.com/lists/oss-security/2025/07/02/2" } ], "release_date": "2025-06-30T08:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-matched-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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syz-executor.0/15172\n\nCPU: 3 PID: 15172 Comm: syz-executor.0\nCall Trace:\n __dump_stack lib/dump_stack.c:82 [inline]\n dump_stack+0xbe/0xfd lib/dump_stack.c:123\n print_address_description.constprop.0+0x1e/0x280 mm/kasan/report.c:400\n __kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560\n kasan_report+0x3a/0x50 mm/kasan/report.c:585\n ext4_xattr_inode_dec_ref_all+0x6ff/0x790 fs/ext4/xattr.c:1137\n ext4_xattr_delete_inode+0x4c7/0xda0 fs/ext4/xattr.c:2896\n ext4_evict_inode+0xb3b/0x1670 fs/ext4/inode.c:323\n evict+0x39f/0x880 fs/inode.c:622\n iput_final fs/inode.c:1746 [inline]\n iput fs/inode.c:1772 [inline]\n iput+0x525/0x6c0 fs/inode.c:1758\n ext4_orphan_cleanup fs/ext4/super.c:3298 [inline]\n ext4_fill_super+0x8c57/0xba40 fs/ext4/super.c:5300\n mount_bdev+0x355/0x410 fs/super.c:1446\n legacy_get_tree+0xfe/0x220 fs/fs_context.c:611\n vfs_get_tree+0x8d/0x2f0 fs/super.c:1576\n do_new_mount fs/namespace.c:2983 [inline]\n path_mount+0x119a/0x1ad0 fs/namespace.c:3316\n do_mount+0xfc/0x110 fs/namespace.c:3329\n __do_sys_mount fs/namespace.c:3540 [inline]\n __se_sys_mount+0x219/0x2e0 fs/namespace.c:3514\n do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46\n entry_SYSCALL_64_after_hwframe+0x67/0xd1\n\nMemory state around the buggy address:\n ffff88807b002f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n ffff88807b002f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n>ffff88807b003000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n ^\n ffff88807b003080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n ffff88807b003100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n\nAbove issue happens as ext4_xattr_delete_inode() isn't check xattr\nis valid if xattr is in inode.\nTo solve above issue call xattr_check_inode() check if xattr if valid\nin inode. In fact, we can directly verify in ext4_iget_extra_inode(),\nso that there is no divergent verification.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"https://git.kernel.org/stable/c/098927a13fd918bd7c64c2de905350a1ad7b4a3a" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/0c8fbb6ffb3c8f5164572ca88e4ccb6cd6a41ca8", "url": "https://git.kernel.org/stable/c/0c8fbb6ffb3c8f5164572ca88e4ccb6cd6a41ca8" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/27202452b0bc942fdc3db72a44c4dcdab96d5b56", "url": "https://git.kernel.org/stable/c/27202452b0bc942fdc3db72a44c4dcdab96d5b56" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/3c591353956ffcace2cc74d09930774afed60619", "url": "https://git.kernel.org/stable/c/3c591353956ffcace2cc74d09930774afed60619" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/5701875f9609b000d91351eaa6bfd97fe2f157f4", "url": "https://git.kernel.org/stable/c/5701875f9609b000d91351eaa6bfd97fe2f157f4" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/b374e9ecc92aaa7fb2ab221ee3ff5451118ab566", "url": "https://git.kernel.org/stable/c/b374e9ecc92aaa7fb2ab221ee3ff5451118ab566" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c000a8a9b5343a5ef867df173c6349672dacbd0f", "url": "https://git.kernel.org/stable/c/c000a8a9b5343a5ef867df173c6349672dacbd0f" } ], "release_date": "2025-04-16T15:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2025-08-20T09:38:09.466886Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1755682686", "product_ids": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-abi-stablelists-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.noarch", "AlmaLinux-9.2:kernel-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-cross-headers-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-core-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:kernel-debug-devel-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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"AlmaLinux-9.2:perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:python3-perf-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64", "AlmaLinux-9.2:rtla-0:5.14.0-284.1101.el9_2.tuxcare.7.els17.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2023-52935", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\nmm/khugepaged: fix ->anon_vma race\nIf an ->anon_vma is attached to the VMA, collapse_and_free_pmd() requires\nit to be locked.\nPage table traversal is allowed under any one of the mmap lock, the\nanon_vma lock (if the VMA is associated with an anon_vma), and the\nmapping lock (if the VMA is associated with a mapping); and so to be\nable to remove page tables, we must hold all three of them. \nretract_page_tables() bails out if an ->anon_vma is attached, but does\nthis check before holding the mmap lock (as the comment above the check\nexplains).\nIf we racily merged an existing ->anon_vma (shared with a child\nprocess) from a neighboring VMA, subsequent rmap traversals on pages\nbelonging to the child will be able to see the page tables that we are\nconcurrently removing while assuming that nothing else can access them.\nRepeat the ->anon_vma check once we hold the mmap lock to ensure that\nthere really is no concurrent page table access.\nHitting this bug causes a lockdep warning in collapse_and_free_pmd(),\nin the line \"lockdep_assert_held_write(&vma->anon_vma->root->rwsem)\". \nIt can also lead to use-after-free access.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AlmaLinux-9.2:bpftool-0:7.0.0-284.1101.el9_2.tuxcare.7.els17.x86_64", 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