{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_vex", "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" } ], "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/rhel7els/vex/2022/cve-2022-49407-els_os-rhel7els.json" } ], "title": "Security update on CVE-2022-49407", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-49407-ELS_OS-RHEL7ELS", "initial_release_date": "2022-01-01T00:00:00Z", "revision_history": [ { "date": "2022-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-09-12T16:24:07Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 7", "product": { "name": "Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7", "product_identification_helper": { "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": "kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-tools-libs-devel@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": "kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-debug-devel@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } }, { "category": "product_version", "name": "python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": "python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/python-perf@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } }, { "category": "product_version", "name": "perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": 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"product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-debug@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": "kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-headers@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product": { "name": "kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_id": "kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-tools@3.10.0-1160.136.1.el7.tuxcare.els24?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "bpftool-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:bpftool-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "bpftool-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { 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"Red-Hat-7:kernel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-debug-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:kernel-debug-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-debug-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" }, "product_reference": "kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "relates_to_product_reference": "Red-Hat-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-49407", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\ndlm: fix plock invalid read\nThis patch fixes an invalid read showed by KASAN. A unlock will allocate a\n\"struct plock_op\" and a followed send_op() will append it to a global\nsend_list data structure. In some cases a followed dev_read() moves it\nto recv_list and dev_write() will cast it to \"struct plock_xop\" and access\nfields which are only available in those structures. At this point an\ninvalid read happens by accessing those fields.\nTo fix this issue the \"callback\" field is moved to \"struct plock_op\" to\nindicate that a cast to \"plock_xop\" is allowed and does the additional\n\"plock_xop\" handling if set.\nExample of the KASAN output which showed the invalid read:\n[ 2064.296453] ==================================================================\n[ 2064.304852] BUG: KASAN: slab-out-of-bounds in dev_write+0x52b/0x5a0 [dlm]\n[ 2064.306491] Read of size 8 at addr ffff88800ef227d8 by task dlm_controld/7484\n[ 2064.308168]\n[ 2064.308575] CPU: 0 PID: 7484 Comm: dlm_controld Kdump: loaded Not tainted 5.14.0+ #9\n[ 2064.310292] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011\n[ 2064.311618] Call Trace:\n[ 2064.312218] dump_stack_lvl+0x56/0x7b\n[ 2064.313150] print_address_description.constprop.8+0x21/0x150\n[ 2064.314578] ? dev_write+0x52b/0x5a0 [dlm]\n[ 2064.315610] ? dev_write+0x52b/0x5a0 [dlm]\n[ 2064.316595] kasan_report.cold.14+0x7f/0x11b\n[ 2064.317674] ? dev_write+0x52b/0x5a0 [dlm]\n[ 2064.318687] dev_write+0x52b/0x5a0 [dlm]\n[ 2064.319629] ? dev_read+0x4a0/0x4a0 [dlm]\n[ 2064.320713] ? bpf_lsm_kernfs_init_security+0x10/0x10\n[ 2064.321926] vfs_write+0x17e/0x930\n[ 2064.322769] ? __fget_light+0x1aa/0x220\n[ 2064.323753] ksys_write+0xf1/0x1c0\n[ 2064.324548] ? __ia32_sys_read+0xb0/0xb0\n[ 2064.325464] do_syscall_64+0x3a/0x80\n[ 2064.326387] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 2064.327606] RIP: 0033:0x7f807e4ba96f\n[ 2064.328470] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 39 87 f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 7c 87 f8 ff 48\n[ 2064.332902] RSP: 002b:00007ffd50cfe6e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\n[ 2064.334658] RAX: ffffffffffffffda RBX: 000055cc3886eb30 RCX: 00007f807e4ba96f\n[ 2064.336275] RDX: 0000000000000040 RSI: 00007ffd50cfe7e0 RDI: 0000000000000010\n[ 2064.337980] RBP: 00007ffd50cfe7e0 R08: 0000000000000000 R09: 0000000000000001\n[ 2064.339560] R10: 000055cc3886eb30 R11: 0000000000000293 R12: 000055cc3886eb80\n[ 2064.341237] R13: 000055cc3886eb00 R14: 000055cc3886f590 R15: 0000000000000001\n[ 2064.342857]\n[ 2064.343226] Allocated by task 12438:\n[ 2064.344057] kasan_save_stack+0x1c/0x40\n[ 2064.345079] __kasan_kmalloc+0x84/0xa0\n[ 2064.345933] kmem_cache_alloc_trace+0x13b/0x220\n[ 2064.346953] dlm_posix_unlock+0xec/0x720 [dlm]\n[ 2064.348811] do_lock_file_wait.part.32+0xca/0x1d0\n[ 2064.351070] fcntl_setlk+0x281/0xbc0\n[ 2064.352879] do_fcntl+0x5e4/0xfe0\n[ 2064.354657] __x64_sys_fcntl+0x11f/0x170\n[ 2064.356550] do_syscall_64+0x3a/0x80\n[ 2064.358259] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 2064.360745]\n[ 2064.361511] Last potentially related work creation:\n[ 2064.363957] kasan_save_stack+0x1c/0x40\n[ 2064.365811] __kasan_record_aux_stack+0xaf/0xc0\n[ 2064.368100] call_rcu+0x11b/0xf70\n[ 2064.369785] dlm_process_incoming_buffer+0x47d/0xfd0 [dlm]\n[ 2064.372404] receive_from_sock+0x290/0x770 [dlm]\n[ 2064.374607] process_recv_sockets+0x32/0x40 [dlm]\n[ 2064.377290] process_one_work+0x9a8/0x16e0\n[ 2064.379357] worker_thread+0x87/0xbf0\n[ 2064.381188] kthread+0x3ac/0x490\n[ 2064.383460] ret_from_fork+0x22/0x30\n[ 2064.385588]\n[ 2064.386518] Second to last potentially related work creation:\n[ 2064.389219] kasan_save_stack+0x1c/0x40\n[ 2064.391043] __kasan_record_aux_stack+0xaf/0xc0\n[ 2064.393303] call_rcu+0x11b/0xf70\n[ 2064.394885] dlm_process_incoming_buffer+0x47d/0xfd0 [dlm]\n[ 2064.397694] receive_from_sock+0x290/0x770 \n---truncated---", "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": [ "Red-Hat-7:kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:bpftool-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-tools-libs-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-debug-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2022-49407" } ], "release_date": "2025-02-26T00:00:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "products": [ "Red-Hat-7:kernel-tools-libs-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-debug-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:python-perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:perf-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:bpftool-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-tools-libs-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-devel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-debug-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-headers-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64", "Red-Hat-7:kernel-tools-0:3.10.0-1160.136.1.el7.tuxcare.els24.x86_64" ] } ], "threats": [ { "category": "impact", "details": "High" } ] } ] }