{ "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/oraclelinux7els/vex/2025/cve-2025-37824-els_os-oraclelinux7els.json" } ], "title": "Security update on CVE-2025-37824", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-37824-ELS_OS-ORACLELINUX7ELS", "initial_release_date": "2025-05-08T00:00:00Z", "revision_history": [ { "date": "2025-05-08T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-09-15T19:22:35Z", "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": "Oracle Linux 7", "product": { "name": "Oracle Linux 7", "product_id": "Oracle-Linux-7", "product_identification_helper": { "cpe": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Oracle Linux" } ], "category": "vendor", "name": "Oracle Corporation" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "product": { "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "product_id": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/bpftool@5.4.17-2136.338.4.2.el7uek.tuxcare.els2?arch=x86_64" } } }, { "category": "product_version", "name": 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"vulnerabilities": [ { "cve": "CVE-2025-37824", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\ntipc: fix NULL pointer dereference in tipc_mon_reinit_self()\nsyzbot reported:\ntipc: Node number set to 1055423674\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 3 UID: 0 PID: 6017 Comm: kworker/3:5 Not tainted 6.15.0-rc1-syzkaller-00246-g900241a5cc15 #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nWorkqueue: events tipc_net_finalize_work\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS: 0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\ntipc_net_finalize+0x10b/0x180 net/tipc/net.c:140\nprocess_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238\nprocess_scheduled_works kernel/workqueue.c:3319 [inline]\nworker_thread+0x6c8/0xf10 kernel/workqueue.c:3400\nkthread+0x3c2/0x780 kernel/kthread.c:464\nret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245\n\n...\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS: 0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nThere is a racing condition between workqueue created when enabling\nbearer and another thread created when disabling bearer right after\nthat as follow:\nenabling_bearer | disabling_bearer\n--------------- | ----------------\ntipc_disc_timeout() |\n{ | bearer_disable()\n... | {\nschedule_work(&tn->work); | tipc_mon_delete()\n... | {\n} | ...\n| write_lock_bh(&mon->lock);\n| mon->self = NULL;\n| write_unlock_bh(&mon->lock);\n| ...\n| }\ntipc_net_finalize_work() | }\n{ |\n... |\ntipc_net_finalize() |\n{ |\n... |\ntipc_mon_reinit_self() |\n{ |\n... |\nwrite_lock_bh(&mon->lock); |\nmon->self->addr = tipc_own_addr(net); |\nwrite_unlock_bh(&mon->lock); |\n... \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": [ "Oracle-Linux-7:bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-37824" } ], "release_date": "2025-05-08T00:00:00", "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Oracle-Linux-7:bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64", "Oracle-Linux-7:kernel-uek-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Medium" } ] } ] }