{"id":"CVE-2026-80936","title":"kernel: wifi: mt76: mt7925: cancel mlo_pm_work on stop (CVE-2026-80936)","summary":"A flaw was found in the Linux kernel's mt7925 Wi-Fi driver. During multi-link power-save setup, the `mlo_pm_work` is queued with a delay but not properly cancelled when the device is stopped. This can lead to the work item attempting to ac…","severity":"medium","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-763","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-14","sourceUpdated":"2026-09-14T14:54:14+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80936.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80936.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80936"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532096"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80936"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80936"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80936.mbox"},{"url":"https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9"},{"url":"https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1"},{"url":"https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f"}],"tags":["csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00127,"epssPercentile":0.02714,"scores":{"vendor":5.5,"cna":7.8},"ingestedAt":"2026-09-14T15:23:07.476Z","slug":"CVE-2026-80936","body":"## Overview\n\nA flaw was found in the Linux kernel's mt7925 Wi-Fi driver. During multi-link power-save setup, the `mlo_pm_work` is queued with a delay but not properly cancelled when the device is stopped. This can lead to the work item attempting to access a deallocated workqueue, resulting in a kernel warning and potentially causing a Denial of Service (DoS) due to system instability.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80936.json)\n\n**kernel: wifi: mt76: mt7925: cancel mlo_pm_work on stop** — rated Low by Red Hat. Released 2026-09-11, updated 2026-09-14.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNot affected:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202758,"id":"CVE-2026-80936","ts":1789403715737,"field":"cvss","old":"7.8","new":"5.5"},{"seq":202757,"id":"CVE-2026-80936","ts":1789403715737,"field":"severity","old":"high","new":"medium"},{"seq":183820,"id":"CVE-2026-80936","ts":1789356677541,"field":"cvss","old":"7.8","new":"4.1"},{"seq":183819,"id":"CVE-2026-80936","ts":1789356677541,"field":"severity","old":"high","new":"medium"},{"seq":153120,"id":"CVE-2026-80936","ts":1789285349099,"field":"cvss","old":null,"new":"7.8"},{"seq":153119,"id":"CVE-2026-80936","ts":1789285349099,"field":"severity","old":"none","new":"high"},{"seq":147780,"id":"CVE-2026-80936","ts":1789270212261,"field":"cvss","old":null,"new":"4.1"},{"seq":147779,"id":"CVE-2026-80936","ts":1789270212261,"field":"severity","old":"none","new":"medium"},{"seq":109536,"id":"CVE-2026-80936","ts":1789183732324,"field":"cvss","old":null,"new":"4.1"},{"seq":109535,"id":"CVE-2026-80936","ts":1789183732324,"field":"severity","old":"none","new":"medium"}]}