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vuln-cve/data/2023/54xxx/CVE-2023-54045.json
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{
"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": [
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"lessThan": "f6364fa751d7486502c777f124a14d4d543fc5eb",
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"status": "affected",
"versionType": "git"
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"lessThan": "9ca08adb75fb40a8f742c371927ee73f9dc753bf",
"status": "affected",
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{
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"status": "affected",
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{
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{
"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:*:*:*:*:*:*:*:*",
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{
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{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.3",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.3",
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"versionStartIncluding": "3.3",
"versionEndExcluding": "6.6"
}
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],
"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"
}
}
}
}
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