{"id":"CVE-2026-97932","title":"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_e…","summary":"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_e…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= e091351b38818ef620d27f44f4bfd625f13afbff < 67fb91a7f7bb1d958cf9cc249c912bca9b2fc821","Linux >= e091351b38818ef620d27f44f4bfd625f13afbff < bcfe2816e6ec46c3f4c58aa4264476665ddb3f69","Linux 159fdc3e01dca5fdbc412fcd8b239895733a270d","Linux >= 7.1.6 < 7.2","Linux 7.2"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:20.500","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97932","references":[{"url":"https://git.kernel.org/stable/c/67fb91a7f7bb1d958cf9cc249c912bca9b2fc821","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bcfe2816e6ec46c3f4c58aa4264476665ddb3f69","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97932.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97932"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541168"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97932"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97932"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97932.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-25T11:06:38.884Z","epss":0.00189,"epssPercentile":0.0847,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-825"],"slug":"CVE-2026-97932","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97932.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213439,"id":"CVE-2026-97932","ts":1790754721914,"field":"cvss","old":null,"new":"5.5"},{"seq":213438,"id":"CVE-2026-97932","ts":1790754721914,"field":"severity","old":"none","new":"medium"}]}