{"api_version":"1","generated_at":"2026-09-13T03:55:44+00:00","cve":"CVE-2026-80938","urls":{"html":"https://cve.report/CVE-2026-80938","api":"https://cve.report/api/cve/CVE-2026-80938.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80938","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80938"},"summary":{"title":"wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex\n\nmt7615_suspend() acquired the mt76 mutex and then called\ncancel_delayed_work_sync() on mac_work.  mt7615_mac_work() acquires the\nsame mutex via mt7615_mutex_acquire() at the top of the worker, so if\nmac_work is already running and blocked on the mutex, the suspend path\ndeadlocks waiting for the work it holds the mutex against.\n\nFlush scan_work and mac_work before taking the mutex, matching the\nsuspend paths in mt7921 and mt7925.  scan_work only takes the mt76\nspinlock, but moving it keeps the sequence consistent.  This also keeps\nmac_work from running over an already suspended HIF, which the previous\nsplit (async cancel under the lock, sync cancel after release) would\nhave allowed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:18:58","updated_at":"2026-09-11 20:18:58"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/44be85af3e1772ffb3332feafedad2a73b22854c","name":"https://git.kernel.org/stable/c/44be85af3e1772ffb3332feafedad2a73b22854c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3114d479f2a1d31b2e6214c395794c6e5715e579","name":"https://git.kernel.org/stable/c/3114d479f2a1d31b2e6214c395794c6e5715e579","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4506e229b2e468b8c64bcf52c50c41a3bf2e633e","name":"https://git.kernel.org/stable/c/4506e229b2e468b8c64bcf52c50c41a3bf2e633e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bda8324270b1ac91bfba1df8928e0570e29759e8","name":"https://git.kernel.org/stable/c/bda8324270b1ac91bfba1df8928e0570e29759e8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80938","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80938","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c6bf20109a3fae92402cb76ad709ec5256bcd169 3114d479f2a1d31b2e6214c395794c6e5715e579 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c6bf20109a3fae92402cb76ad709ec5256bcd169 4506e229b2e468b8c64bcf52c50c41a3bf2e633e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c6bf20109a3fae92402cb76ad709ec5256bcd169 44be85af3e1772ffb3332feafedad2a73b22854c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c6bf20109a3fae92402cb76ad709ec5256bcd169 bda8324270b1ac91bfba1df8928e0570e29759e8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* 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":"80938","cve":"CVE-2026-80938","epss":"0.001680000","percentile":"0.063210000","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/mt7615/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3114d479f2a1d31b2e6214c395794c6e5715e579","status":"affected","version":"c6bf20109a3fae92402cb76ad709ec5256bcd169","versionType":"git"},{"lessThan":"4506e229b2e468b8c64bcf52c50c41a3bf2e633e","status":"affected","version":"c6bf20109a3fae92402cb76ad709ec5256bcd169","versionType":"git"},{"lessThan":"44be85af3e1772ffb3332feafedad2a73b22854c","status":"affected","version":"c6bf20109a3fae92402cb76ad709ec5256bcd169","versionType":"git"},{"lessThan":"bda8324270b1ac91bfba1df8928e0570e29759e8","status":"affected","version":"c6bf20109a3fae92402cb76ad709ec5256bcd169","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7615/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.8"},{"lessThan":"5.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","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":"6.12.109","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex\n\nmt7615_suspend() acquired the mt76 mutex and then called\ncancel_delayed_work_sync() on mac_work.  mt7615_mac_work() acquires the\nsame mutex via mt7615_mutex_acquire() at the top of the worker, so if\nmac_work is already running and blocked on the mutex, the suspend path\ndeadlocks waiting for the work it holds the mutex against.\n\nFlush scan_work and mac_work before taking the mutex, matching the\nsuspend paths in mt7921 and mt7925.  scan_work only takes the mt76\nspinlock, but moving it keeps the sequence consistent.  This also keeps\nmac_work from running over an already suspended HIF, which the previous\nsplit (async cancel under the lock, sync cancel after release) would\nhave allowed."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:42:11.588Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3114d479f2a1d31b2e6214c395794c6e5715e579"},{"url":"https://git.kernel.org/stable/c/4506e229b2e468b8c64bcf52c50c41a3bf2e633e"},{"url":"https://git.kernel.org/stable/c/44be85af3e1772ffb3332feafedad2a73b22854c"},{"url":"https://git.kernel.org/stable/c/bda8324270b1ac91bfba1df8928e0570e29759e8"}],"title":"wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80938","datePublished":"2026-09-11T19:42:11.588Z","dateReserved":"2026-08-26T14:34:25.803Z","dateUpdated":"2026-09-11T19:42:11.588Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:18:58","lastModifiedDate":"2026-09-11 20:18:58","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80938","Ordinal":"1","Title":"wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mu","CVE":"CVE-2026-80938","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80938","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex\n\nmt7615_suspend() acquired the mt76 mutex and then called\ncancel_delayed_work_sync() on mac_work.  mt7615_mac_work() acquires the\nsame mutex via mt7615_mutex_acquire() at the top of the worker, so if\nmac_work is already running and blocked on the mutex, the suspend path\ndeadlocks waiting for the work it holds the mutex against.\n\nFlush scan_work and mac_work before taking the mutex, matching the\nsuspend paths in mt7921 and mt7925.  scan_work only takes the mt76\nspinlock, but moving it keeps the sequence consistent.  This also keeps\nmac_work from running over an already suspended HIF, which the previous\nsplit (async cancel under the lock, sync cancel after release) would\nhave allowed.","Type":"Description","Title":"wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mu"}]}}}