{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54045", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:53:46.182Z", "datePublished": "2025-12-24T12:22:56.742Z", "dateUpdated": "2026-05-11T19:54:27.312Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:54:27.312Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naudit: fix possible soft lockup in __audit_inode_child()\n\nTracefs or debugfs maybe cause hundreds to thousands of PATH records,\ntoo many PATH records maybe cause soft lockup.\n\nFor example:\n 1. CONFIG_KASAN=y && CONFIG_PREEMPTION=n\n 2. auditctl -a exit,always -S open -k key\n 3. sysctl -w kernel.watchdog_thresh=5\n 4. mkdir /sys/kernel/debug/tracing/instances/test\n\nThere may be a soft lockup as follows:\n watchdog: BUG: soft lockup - CPU#45 stuck for 7s! [mkdir:15498]\n Kernel panic - not syncing: softlockup: hung tasks\n Call trace:\n dump_backtrace+0x0/0x30c\n show_stack+0x20/0x30\n dump_stack+0x11c/0x174\n panic+0x27c/0x494\n watchdog_timer_fn+0x2bc/0x390\n __run_hrtimer+0x148/0x4fc\n __hrtimer_run_queues+0x154/0x210\n hrtimer_interrupt+0x2c4/0x760\n arch_timer_handler_phys+0x48/0x60\n handle_percpu_devid_irq+0xe0/0x340\n __handle_domain_irq+0xbc/0x130\n gic_handle_irq+0x78/0x460\n el1_irq+0xb8/0x140\n __audit_inode_child+0x240/0x7bc\n tracefs_create_file+0x1b8/0x2a0\n trace_create_file+0x18/0x50\n event_create_dir+0x204/0x30c\n __trace_add_new_event+0xac/0x100\n event_trace_add_tracer+0xa0/0x130\n trace_array_create_dir+0x60/0x140\n trace_array_create+0x1e0/0x370\n instance_mkdir+0x90/0xd0\n tracefs_syscall_mkdir+0x68/0xa0\n vfs_mkdir+0x21c/0x34c\n do_mkdirat+0x1b4/0x1d4\n __arm64_sys_mkdirat+0x4c/0x60\n el0_svc_common.constprop.0+0xa8/0x240\n do_el0_svc+0x8c/0xc0\n el0_svc+0x20/0x30\n el0_sync_handler+0xb0/0xb4\n el0_sync+0x160/0x180\n\nTherefore, we add cond_resched() to __audit_inode_child() to fix it." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/auditsc.c" ], "versions": [ { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "d061e2bfc20f2914656385816e0d20566213c54c", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "1640c7bd4eddec6c72f3a99cbb74e333a2ce9f5d", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "f6364fa751d7486502c777f124a14d4d543fc5eb", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "98ef243d5900d75a64539a2165745bffbb155d43", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "0152e7758cc4e9f8bfba8dbea4438d8e488d6c08", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "9ca08adb75fb40a8f742c371927ee73f9dc753bf", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "8a40b491372966ba5426e138a53460985565d5a6", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "8e76b944a7b9bddef190ffe2e29c9ae342ab91ed", "status": "affected", "versionType": "git" }, { "version": "5195d8e217a78697152d64fc09a16e063a022465", "lessThan": "b59bc6e37237e37eadf50cd5de369e913f524463", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/auditsc.c" ], "versions": [ { "version": "3.3", "status": "affected" }, { "version": "0", "lessThan": "3.3", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.326", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.295", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.257", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.195", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.132", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.53", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4.16", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.14.326" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.19.295" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.4.257" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.195" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.15.132" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.1.53" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.4.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.5.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.6" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/d061e2bfc20f2914656385816e0d20566213c54c" }, { "url": "https://git.kernel.org/stable/c/1640c7bd4eddec6c72f3a99cbb74e333a2ce9f5d" }, { "url": "https://git.kernel.org/stable/c/f6364fa751d7486502c777f124a14d4d543fc5eb" }, { "url": "https://git.kernel.org/stable/c/98ef243d5900d75a64539a2165745bffbb155d43" }, { "url": "https://git.kernel.org/stable/c/0152e7758cc4e9f8bfba8dbea4438d8e488d6c08" }, { "url": "https://git.kernel.org/stable/c/9ca08adb75fb40a8f742c371927ee73f9dc753bf" }, { "url": "https://git.kernel.org/stable/c/8a40b491372966ba5426e138a53460985565d5a6" }, { "url": "https://git.kernel.org/stable/c/8e76b944a7b9bddef190ffe2e29c9ae342ab91ed" }, { "url": "https://git.kernel.org/stable/c/b59bc6e37237e37eadf50cd5de369e913f524463" } ], "title": "audit: fix possible soft lockup in __audit_inode_child()", "x_generator": { "engine": "bippy-1.2.0" } } } }