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CVE-2026-80938

wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex

mt7615_suspend() acquired the mt76 mutex and then called
cancel_delayed_work_sync() on mac_work.  mt7615_mac_work() acquires the
same mutex via mt7615_mutex_acquire() at the top of the worker, so if
mac_work is already running and blocked on the mutex, the suspend path
deadlocks waiting for the work it holds the mutex against.

Flush scan_work and mac_work before taking the mutex, matching the
suspend paths in mt7921 and mt7925.  scan_work only takes the mt76
spinlock, but moving it keeps the sequence consistent.  This also keeps
mac_work from running over an already suspended HIF, which the previous
split (async cancel under the lock, sync cancel after release) would
have allowed.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < 36c73b86a09f0e51c0f81a75c8945b6c5557ff27
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < 33d29aeb4c0eede92622a7d04ea492b94c30f089
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < ef2ec8b537c3a54e241d693bd03016f80d0d4484
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < 3114d479f2a1d31b2e6214c395794c6e5715e579
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < 4506e229b2e468b8c64bcf52c50c41a3bf2e633e
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < 44be85af3e1772ffb3332feafedad2a73b22854c
Status affected
Version c6bf20109a3fae92402cb76ad709ec5256bcd169
Version < bda8324270b1ac91bfba1df8928e0570e29759e8
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.8
Status affected
Version 0
Version < 5.8
Status unaffected
Version <= 5.15.*
Version 5.15.221
Status unaffected
Version <= 6.1.*
Version 6.1.188
Status unaffected
Version <= 6.6.*
Version 6.6.157
Status unaffected
Version <= 6.12.*
Version 6.12.109
Status unaffected
Version <= 6.18.*
Version 6.18.50
Status unaffected
Version <= 7.2.*
Version 7.2.4
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.063
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/3114d479f2a1d31b2e6214c395794c6e5715e579
https://git.kernel.org/stable/c/4506e229b2e468b8c64bcf52c50c41a3bf2e633e
https://git.kernel.org/stable/c/44be85af3e1772ffb3332feafedad2a73b22854c
https://git.kernel.org/stable/c/bda8324270b1ac91bfba1df8928e0570e29759e8
https://git.kernel.org/stable/c/33d29aeb4c0eede92622a7d04ea492b94c30f089
https://git.kernel.org/stable/c/36c73b86a09f0e51c0f81a75c8945b6c5557ff27
https://git.kernel.org/stable/c/ef2ec8b537c3a54e241d693bd03016f80d0d4484