{"id":"CVE-2026-97932","state":"PUBLISHED","title":"tracing: Don't dereference trace_event_file in deferred trigger free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Don't dereference trace_event_file in deferred trigger free\n\nThe enable_event trigger defers trace_event_put_ref() to the\ntrigger free kthread, but the trace_event_file can already be freed\nwhen the instance is removed.\n\nKeep the trace_event_call directly in enable_trigger_data so the\ndeferred free does not access the freed trace_event_file.","publishedAt":"2026-09-25T10:22:47.994Z","updatedAt":"2026-10-19T09:10:59.072Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e091351b38818ef620d27f44f4bfd625f13afbff","status":"affected","lessThan":"67fb91a7f7bb1d958cf9cc249c912bca9b2fc821","versionType":"git"},{"version":"e091351b38818ef620d27f44f4bfd625f13afbff","status":"affected","lessThan":"bcfe2816e6ec46c3f4c58aa4264476665ddb3f69","versionType":"git"},{"version":"159fdc3e01dca5fdbc412fcd8b239895733a270d","status":"affected","versionType":"git"},{"version":"7.1.6","status":"affected","lessThan":"7.2","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace.h","kernel/trace/trace_events_trigger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.2","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace.h","kernel/trace/trace_events_trigger.c"]}],"references":["https://git.kernel.org/stable/c/67fb91a7f7bb1d958cf9cc249c912bca9b2fc821","https://git.kernel.org/stable/c/bcfe2816e6ec46c3f4c58aa4264476665ddb3f69"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97932.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97932","state":"PUBLISHED","datePublished":"2026-09-25T10:22:47.994Z","dateUpdated":"2026-10-19T09:10:59.072Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:18:58.203Z"},"containers":{"cna":{"title":"tracing: Don't dereference trace_event_file in deferred trigger free","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Don't dereference trace_event_file in deferred trigger free\n\nThe enable_event trigger defers trace_event_put_ref() to the\ntrigger free kthread, but the trace_event_file can already be freed\nwhen the instance is removed.\n\nKeep the trace_event_call directly in enable_trigger_data so the\ndeferred free does not access the freed trace_event_file."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e091351b38818ef620d27f44f4bfd625f13afbff","status":"affected","lessThan":"67fb91a7f7bb1d958cf9cc249c912bca9b2fc821","versionType":"git"},{"version":"e091351b38818ef620d27f44f4bfd625f13afbff","status":"affected","lessThan":"bcfe2816e6ec46c3f4c58aa4264476665ddb3f69","versionType":"git"},{"version":"159fdc3e01dca5fdbc412fcd8b239895733a270d","status":"affected","versionType":"git"},{"version":"7.1.6","status":"affected","lessThan":"7.2","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace.h","kernel/trace/trace_events_trigger.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.2","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace.h","kernel/trace/trace_events_trigger.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/67fb91a7f7bb1d958cf9cc249c912bca9b2fc821"},{"url":"https://git.kernel.org/stable/c/bcfe2816e6ec46c3f4c58aa4264476665ddb3f69"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:10:59.072Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}