{"api_version":"1","generated_at":"2026-09-13T03:55:44+00:00","cve":"CVE-2026-80936","urls":{"html":"https://cve.report/CVE-2026-80936","api":"https://cve.report/api/cve/CVE-2026-80936.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80936","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80936"},"summary":{"title":"wifi: mt76: mt7925: cancel mlo_pm_work on stop","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel mlo_pm_work on stop\n\nmt7925 queues mlo_pm_work with a 5 second delay during multi-link\npower-save setup and never cancels it on the stop path. If the device is\ntorn down inside that window, the work outlives the teardown and its timer\nfires afterwards, trying to queue onto the workqueue that is already gone:\n\n  workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0\n  WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0\n   call_timer_fn+0x2a/0x140\n   __run_timers+0x203/0x330\n   run_timer_softirq+0x86/0xf0\n\nmt7921 already has its own stop callback, so add one for mt7925 that\ncancels the work before calling mt792x_stop(). mt7925_ops backs both the\nPCIe and USB drivers, so this covers both.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:18:57","updated_at":"2026-09-11 20:18:57"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9","name":"https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f","name":"https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1","name":"https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80936","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80936","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 276a568832577c81ec90b62dc506bbdc3781ca46 304470333b7f525b23699ea7a7aed3b40ca37ca9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 276a568832577c81ec90b62dc506bbdc3781ca46 9e20da749ad229a1aa649ece528721b9652f15e1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 276a568832577c81ec90b62dc506bbdc3781ca46 81faf578320df2dfc682a96baa6e85851dd68b6f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74eb79258bfd5f2ffe6d26a09c898992b2afa1ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14.3 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80936","cve":"CVE-2026-80936","epss":"0.001660000","percentile":"0.061390000","score_date":"2026-09-12","updated_at":"2026-09-13 00:08:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7925/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"304470333b7f525b23699ea7a7aed3b40ca37ca9","status":"affected","version":"276a568832577c81ec90b62dc506bbdc3781ca46","versionType":"git"},{"lessThan":"9e20da749ad229a1aa649ece528721b9652f15e1","status":"affected","version":"276a568832577c81ec90b62dc506bbdc3781ca46","versionType":"git"},{"lessThan":"81faf578320df2dfc682a96baa6e85851dd68b6f","status":"affected","version":"276a568832577c81ec90b62dc506bbdc3781ca46","versionType":"git"},{"status":"affected","version":"74eb79258bfd5f2ffe6d26a09c898992b2afa1ce","versionType":"git"},{"lessThan":"6.15","status":"affected","version":"6.14.3","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7925/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel mlo_pm_work on stop\n\nmt7925 queues mlo_pm_work with a 5 second delay during multi-link\npower-save setup and never cancels it on the stop path. If the device is\ntorn down inside that window, the work outlives the teardown and its timer\nfires afterwards, trying to queue onto the workqueue that is already gone:\n\n  workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0\n  WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0\n   call_timer_fn+0x2a/0x140\n   __run_timers+0x203/0x330\n   run_timer_softirq+0x86/0xf0\n\nmt7921 already has its own stop callback, so add one for mt7925 that\ncancels the work before calling mt792x_stop(). mt7925_ops backs both the\nPCIe and USB drivers, so this covers both."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:42:10.034Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9"},{"url":"https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1"},{"url":"https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f"}],"title":"wifi: mt76: mt7925: cancel mlo_pm_work on stop","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80936","datePublished":"2026-09-11T19:42:10.034Z","dateReserved":"2026-08-26T14:34:25.802Z","dateUpdated":"2026-09-11T19:42:10.034Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:18:57","lastModifiedDate":"2026-09-11 20:18:57","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80936","Ordinal":"1","Title":"wifi: mt76: mt7925: cancel mlo_pm_work on stop","CVE":"CVE-2026-80936","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80936","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel mlo_pm_work on stop\n\nmt7925 queues mlo_pm_work with a 5 second delay during multi-link\npower-save setup and never cancels it on the stop path. If the device is\ntorn down inside that window, the work outlives the teardown and its timer\nfires afterwards, trying to queue onto the workqueue that is already gone:\n\n  workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0\n  WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0\n   call_timer_fn+0x2a/0x140\n   __run_timers+0x203/0x330\n   run_timer_softirq+0x86/0xf0\n\nmt7921 already has its own stop callback, so add one for mt7925 that\ncancels the work before calling mt792x_stop(). mt7925_ops backs both the\nPCIe and USB drivers, so this covers both.","Type":"Description","Title":"wifi: mt76: mt7925: cancel mlo_pm_work on stop"}]}}}