181 lines
8.8 KiB
JSON
181 lines
8.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-97443",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-24T14:53:16.870Z",
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"datePublished": "2026-09-24T16:03:57.790Z",
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"dateUpdated": "2026-09-25T12:44:20.881Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-09-25T12:44:20.881Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/ftrace: Fix WARNING in __unregister_ftrace_function\n\nperf_ftrace_function_unregister() unconditionally calls\nunregister_ftrace_function() without checking whether the ftrace_ops\nwas ever successfully registered. This triggers a WARN_ON in\n__unregister_ftrace_function() when the ops doesn't have\nFTRACE_OPS_FL_ENABLED set.\n\nThis can happen during perf_event_alloc() error cleanup when\nperf_trace_destroy() is called via __free_event() on an event whose\nftrace_ops registration failed or was already torn down by\nperf_try_init_event()'s err_destroy path.\n\nThe call path is:\n perf_event_alloc() error cleanup\n -> __free_event()\n -> event->destroy() [tp_perf_event_destroy]\n -> perf_trace_destroy()\n -> perf_trace_event_close()\n -> TRACE_REG_PERF_CLOSE\n -> perf_ftrace_function_unregister()\n -> unregister_ftrace_function()\n -> __unregister_ftrace_function()\n -> WARN_ON(!(ops->flags & FTRACE_OPS_FL_ENABLED))\n\nFix this by checking FTRACE_OPS_FL_ENABLED before attempting to\nunregister. If the ops is not enabled, just free the filter and\nreturn success."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/trace/trace_event_perf.c"
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],
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"versions": [
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{
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"version": "7ef5aa081f989ecfecc1df02068a80aebbd3ec31",
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"lessThan": "df097713b56ffac5eed32a9be2e7d27ac48d9087",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c70ca298036c58a88686ff388d3d367e9d21acf0",
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"lessThan": "7f845820afaad339341c2ae42bc7fdec175df9ea",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c70ca298036c58a88686ff388d3d367e9d21acf0",
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"lessThan": "9581123304b23049437324038698af9fb56ee663",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "315a50c6b1c6ce191f19f3372935d8e2ed9b53a6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1209b0b29fd472e7dbd2b06544b019dd9f9b7e51",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "6.12.24",
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"lessThan": "6.12.111",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.13.12",
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"lessThan": "6.14",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.14.3",
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"lessThan": "6.15",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/trace/trace_event_perf.c"
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],
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"versions": [
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{
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"version": "6.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.111",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.53",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12.24",
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"versionEndExcluding": "6.12.111"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.18.53"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "7.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.13.12"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.14.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/df097713b56ffac5eed32a9be2e7d27ac48d9087"
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},
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{
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"url": "https://git.kernel.org/stable/c/7f845820afaad339341c2ae42bc7fdec175df9ea"
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},
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{
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"url": "https://git.kernel.org/stable/c/9581123304b23049437324038698af9fb56ee663"
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}
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],
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"title": "perf/ftrace: Fix WARNING in __unregister_ftrace_function",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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} |