{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97924", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.202Z", "datePublished": "2026-09-25T10:22:42.935Z", "dateUpdated": "2026-10-19T09:10:51.247Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:10:51.247Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/user_events: Don't destroy fields when event removal fails\n\ndestroy_user_event() destroys the event's fields before attempting to\nremove the trace event call. If user_event_set_call_visible() fails,\ne.g. because the event is still enabled and trace_remove_event_call()\nreturns -EBUSY, the event is left registered with an irreversibly\ndestroyed field list. Any subsequent interaction with the event then\noperates on an empty field list while it is still fully visible in\ntracefs.\n\nMove the field destruction after the call removal, and splice the\nfield list back onto the event when the removal fails so the event\nremains in a consistent state."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_events_user.c"], "versions": [{"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "a3d9b8b7c8f3627976fe758c77ffd3da260824d7", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "9c62b7e92b6086a2a0aeb71f3553dd8cf7fdcd8b", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "0892da2272ec565858aa1ec5458552d699de9142", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "62d6544e86506bb0695c9594c713cba859666f2f", "status": "affected", "versionType": "git"}, {"version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "lessThan": "2deb753127d7b7035e893955c5e91875e767d1f8", "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/trace/trace_events_user.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "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": "5.18", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a3d9b8b7c8f3627976fe758c77ffd3da260824d7"}, {"url": "https://git.kernel.org/stable/c/9c62b7e92b6086a2a0aeb71f3553dd8cf7fdcd8b"}, {"url": "https://git.kernel.org/stable/c/0892da2272ec565858aa1ec5458552d699de9142"}, {"url": "https://git.kernel.org/stable/c/62d6544e86506bb0695c9594c713cba859666f2f"}, {"url": "https://git.kernel.org/stable/c/2deb753127d7b7035e893955c5e91875e767d1f8"}], "title": "tracing/user_events: Don't destroy fields when event removal fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/trace/trace_events_user.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a3d9b8b7c8f3627976fe758c77ffd3da260824d7", "status": "affected", "version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "versionType": "git"}, {"lessThan": "9c62b7e92b6086a2a0aeb71f3553dd8cf7fdcd8b", "status": "affected", "version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "versionType": "git"}, {"lessThan": "0892da2272ec565858aa1ec5458552d699de9142", "status": "affected", "version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "versionType": "git"}, {"lessThan": "62d6544e86506bb0695c9594c713cba859666f2f", "status": "affected", "version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "versionType": "git"}, {"lessThan": "2deb753127d7b7035e893955c5e91875e767d1f8", "status": "affected", "version": "7f5a08c79df35e68f1a43033450c5050f12bc155", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/trace/trace_events_user.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"lessThan": "5.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "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/user_events: Don't destroy fields when event removal fails\n\ndestroy_user_event() destroys the event's fields before attempting to\nremove the trace event call. If user_event_set_call_visible() fails,\ne.g. because the event is still enabled and trace_remove_event_call()\nreturns -EBUSY, the event is left registered with an irreversibly\ndestroyed field list. Any subsequent interaction with the event then\noperates on an empty field list while it is still fully visible in\ntracefs.\n\nMove the field destruction after the call removal, and splice the\nfield list back onto the event when the removal fails so the event\nremains in a consistent state."}], "id": "CVE-2026-97924", "lastModified": "2026-10-19T10:17:43.180", "metrics": {}, "published": "2026-09-25T11:17:19.533", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0892da2272ec565858aa1ec5458552d699de9142"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2deb753127d7b7035e893955c5e91875e767d1f8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/62d6544e86506bb0695c9594c713cba859666f2f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c62b7e92b6086a2a0aeb71f3553dd8cf7fdcd8b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3d9b8b7c8f3627976fe758c77ffd3da260824d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: tracing/user_events: Don't destroy fields when event removal fails", "id": "2541288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541288"}, "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-826", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntracing/user_events: Don't destroy fields when event removal fails\ndestroy_user_event() destroys the event's fields before attempting to\nremove the trace event call. If user_event_set_call_visible() fails,\ne.g. because the event is still enabled and trace_remove_event_call()\nreturns -EBUSY, the event is left registered with an irreversibly\ndestroyed field list. Any subsequent interaction with the event then\noperates on an empty field list while it is still fully visible in\ntracefs.\nMove the field destruction after the call removal, and splice the\nfield list back onto the event when the removal fails so the event\nremains in a consistent state.", "A flaw was found in the Linux kernel's tracing subsystem. When attempting to remove a user-defined trace event, the kernel destroys the event's field list before confirming whether unregistering the event succeeds. If event removal fails because the event is still enabled or active, the event remains registered in an inconsistent state with missing fields. A local user could exploit this flaw to cause system instability or a Denial of Service (DoS) by interacting with the incompletely destroyed event."], "name": "CVE-2026-97924", "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-2026-97924\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97924\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97924.mbox"], "threat_severity": "Moderate"}