{"id":"CVE-2026-89523","title":"wifi: mt76: mt7925: cancel pending mlo_pm_work","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel pending mlo_pm_work\n\nIf the device is reset, suspended or unregistered within that window,\nthe pending work can still run and access vif/bss …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-367"],"vendor":"Linux","product":"Linux","affected":["Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < 5be6d02837d418bc6c805b5cab1b338de6de9ca7","Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < c5e073f2fbfd34d22099a50d96f60990799753e2","Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < 2889e84282dda147f10b10d94cf0efd90a349c53","Linux 74eb79258bfd5f2ffe6d26a09c898992b2afa1ce","Linux >= 6.14.3 < 6.15","Linux 6.15"],"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:48:14.517Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89523","references":[{"url":"https://git.kernel.org/stable/c/5be6d02837d418bc6c805b5cab1b338de6de9ca7"},{"url":"https://git.kernel.org/stable/c/c5e073f2fbfd34d22099a50d96f60990799753e2"},{"url":"https://git.kernel.org/stable/c/2889e84282dda147f10b10d94cf0efd90a349c53"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89523.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89523"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532372"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89523"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89523"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89523.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06729,"scores":{"cna":7.8,"vendor":7},"ingestedAt":"2026-09-14T15:23:07.475Z","slug":"CVE-2026-89523","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel pending mlo_pm_work\n\nIf the device is reset, suspended or unregistered within that window,\nthe pending work can still run and access vif/bss data that may already\nbe freed, or send MCU commands while the firmware is not available.\n\nAdd cancel_delayed_work_sync(&dev->mlo_pm_work) in all relevant teardown\nand suspend paths:\n\n - mt7925_mac_reset_work()        (chip reset recovery)\n - mt7925e_unregister_device()    (PCIe unbind)\n - mt7925_pci_suspend()           (PCIe bus suspend)\n - mt7925_suspend()               (mac80211 suspend)\n - mt7925u_suspend()              (USB bus / runtime suspend)\n\nThis ensures the work is stopped before the device state becomes\ninvalid.\n\n## Affected\n\n- `Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < 5be6d02837d418bc6c805b5cab1b338de6de9ca7`\n- `Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < c5e073f2fbfd34d22099a50d96f60990799753e2`\n- `Linux >= 276a568832577c81ec90b62dc506bbdc3781ca46 < 2889e84282dda147f10b10d94cf0efd90a349c53`\n- `Linux 74eb79258bfd5f2ffe6d26a09c898992b2afa1ce`\n- `Linux >= 6.14.3 < 6.15`\n- `Linux 6.15`\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 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 2026-09-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89523.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224717,"id":"CVE-2026-89523","ts":1792401499038,"field":"cvss","old":"7","new":"7.8"},{"seq":205475,"id":"CVE-2026-89523","ts":1789576721535,"field":"cvss","old":"4.2","new":"7"},{"seq":205474,"id":"CVE-2026-89523","ts":1789576721535,"field":"severity","old":"medium","new":"high"},{"seq":202897,"id":"CVE-2026-89523","ts":1789403732854,"field":"cvss","old":"7.8","new":"4.2"},{"seq":202896,"id":"CVE-2026-89523","ts":1789403732854,"field":"severity","old":"high","new":"medium"},{"seq":197977,"id":"CVE-2026-89523","ts":1789384321225,"field":"cvss","old":"4.2","new":"7.8"},{"seq":197976,"id":"CVE-2026-89523","ts":1789384321225,"field":"severity","old":"medium","new":"high"},{"seq":183498,"id":"CVE-2026-89523","ts":1789356675616,"field":"cvss","old":"7.8","new":"4.2"},{"seq":183497,"id":"CVE-2026-89523","ts":1789356675616,"field":"severity","old":"high","new":"medium"},{"seq":153314,"id":"CVE-2026-89523","ts":1789285350006,"field":"cvss","old":null,"new":"7.8"},{"seq":153313,"id":"CVE-2026-89523","ts":1789285350006,"field":"severity","old":"none","new":"high"},{"seq":147311,"id":"CVE-2026-89523","ts":1789270208904,"field":"cvss","old":null,"new":"4.2"},{"seq":147310,"id":"CVE-2026-89523","ts":1789270208904,"field":"severity","old":"none","new":"medium"},{"seq":109066,"id":"CVE-2026-89523","ts":1789183730175,"field":"cvss","old":null,"new":"4.2"},{"seq":109065,"id":"CVE-2026-89523","ts":1789183730175,"field":"severity","old":"none","new":"medium"}]}