{"id":"CVE-2026-98016","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix use-after-free race in sample_restore_put()\n\nConcurrent teardown of TC sample rules sharing the same restore\ncontext may re-read restore->count after dro…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix use-after-free race in sample_restore_put()\n\nConcurrent teardown of TC sample rules sharing the same restore\ncontext may re-read restore->count after dro…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-825","CWE-416"],"vendor":"Linux","product":"Linux","affected":["Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < cdf920e44cbbee1900c66f002fb50afee20977d4","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < 308e1cbb0d9712081f90860fe839ccb47bc196ee","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < 8267e46d14e847e80e0aebe366d348e8a484a619","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < 3efd1a1938cbb33c53b0d75e55b6c0fe2ebad79a","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < 72324da8eeca269db9196c2a555abf72eb0385c5","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < 1daecd76ab9e5f055fe3970462410ad1d40bd177","Linux >= 36a3196256bf3310e5e7142b0e61787f7a201abd < af3aef0245abbab5e9f6302e7a7d6407187afb71","Linux 5.13"],"published":"2026-09-25","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:18:24.777","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98016","references":[{"url":"https://git.kernel.org/stable/c/1daecd76ab9e5f055fe3970462410ad1d40bd177","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/308e1cbb0d9712081f90860fe839ccb47bc196ee","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3efd1a1938cbb33c53b0d75e55b6c0fe2ebad79a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/72324da8eeca269db9196c2a555abf72eb0385c5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8267e46d14e847e80e0aebe366d348e8a484a619","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af3aef0245abbab5e9f6302e7a7d6407187afb71","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cdf920e44cbbee1900c66f002fb50afee20977d4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98016.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98016"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541171"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98016"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98016"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98016.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-98016"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06632,"cvssSource":"vendor","ingestedAt":"2026-09-25T11:06:38.857Z","slug":"CVE-2026-98016","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix use-after-free race in sample_restore_put()\n\nConcurrent teardown of TC sample rules sharing the same restore\ncontext may re-read restore->count after dropping restore_lock.\nAt that point another thread may already have completed cleanup and\nfreed the restore object.\n\nUse the result of the refcount decrement while holding restore_lock to\ndetermine whether cleanup is needed.\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 · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98016.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":212492,"id":"CVE-2026-98016","ts":1790668190476,"field":"cvss","old":null,"new":"7"},{"seq":212491,"id":"CVE-2026-98016","ts":1790668190476,"field":"severity","old":"none","new":"high"}]}