CVE-2026-97932

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97932", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.203Z", "datePublished": "2026-09-25T10:22:47.994Z", "dateUpdated": "2026-10-19T09:10:59.072Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:10:59.072Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace.h", "kernel/trace/trace_events_trigger.c"], "versions": [{"version": "e091351b38818ef620d27f44f4bfd625f13afbff", "lessThan": "67fb91a7f7bb1d958cf9cc249c912bca9b2fc821", "status": "affected", "versionType": "git"}, {"version": "e091351b38818ef620d27f44f4bfd625f13afbff", "lessThan": "bcfe2816e6ec46c3f4c58aa4264476665ddb3f69", "status": "affected", "versionType": "git"}, {"version": "159fdc3e01dca5fdbc412fcd8b239895733a270d", "status": "affected", "versionType": "git"}, {"version": "7.1.6", "lessThan": "7.2", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace.h", "kernel/trace/trace_events_trigger.c"], "versions": [{"version": "7.2", "status": "affected"}, {"version": "0", "lessThan": "7.2", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "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"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/67fb91a7f7bb1d958cf9cc249c912bca9b2fc821"}, {"url": "https://git.kernel.org/stable/c/bcfe2816e6ec46c3f4c58aa4264476665ddb3f69"}], "title": "tracing: Don't dereference trace_event_file in deferred trigger free", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/trace/trace.h", "kernel/trace/trace_events_trigger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "67fb91a7f7bb1d958cf9cc249c912bca9b2fc821", "status": "affected", "version": "e091351b38818ef620d27f44f4bfd625f13afbff", "versionType": "git"}, {"lessThan": "bcfe2816e6ec46c3f4c58aa4264476665ddb3f69", "status": "affected", "version": "e091351b38818ef620d27f44f4bfd625f13afbff", "versionType": "git"}, {"status": "affected", "version": "159fdc3e01dca5fdbc412fcd8b239895733a270d", "versionType": "git"}, {"lessThan": "7.2", "status": "affected", "version": "7.1.6", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/trace/trace.h", "kernel/trace/trace_events_trigger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.2"}, {"lessThan": "7.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-97932", "lastModified": "2026-10-19T10:17:44.150", "metrics": {}, "published": "2026-09-25T11:17:20.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67fb91a7f7bb1d958cf9cc249c912bca9b2fc821"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bcfe2816e6ec46c3f4c58aa4264476665ddb3f69"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: tracing: Don't dereference trace_event_file in deferred trigger free", "id": "2541168", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541168"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntracing: Don't dereference trace_event_file in deferred trigger free\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.\nKeep the trace_event_call directly in enable_trigger_data so the\ndeferred free does not access the freed trace_event_file.", "A flaw was found in the Linux kernel's tracing subsystem. A use-after-free vulnerability occurs when an event trigger performs deferred cleanup while a tracing instance is removed, leading to the access of already freed memory. A local user could exploit this flaw to cause memory corruption, resulting in a system crash and Denial of Service (DoS)."], "name": "CVE-2026-97932", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97932\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97932\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97932.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e091351b38818ef620d27f44f4bfd625f13afbff,67fb91a7f7bb1d958cf9cc249c912bca9b2fc821)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e091351b38818ef620d27f44f4bfd625f13afbff,bcfe2816e6ec46c3f4c58aa4264476665ddb3f69)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "159fdc3e01dca5fdbc412fcd8b239895733a270d"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,7.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T14:00:13.792129+00:00", "updated": "2026-10-01T05:30:18.165102+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-825"]}