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CVE-2026-53101

wifi: mt76: mt7921: fix potential deadlock in mt7921_roc_abort_sync

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

wifi: mt76: mt7921: fix potential deadlock in mt7921_roc_abort_sync

roc_abort_sync() can deadlock with roc_work(). roc_work() holds
dev->mt76.mutex, while cancel_work_sync() waits for roc_work()
to finish. If the caller already owns the same mutex, both
sides block and no progress is possible.

This deadlock can occur during station removal when
mt76_sta_state() -> mt76_sta_remove() -> mt7921_mac_sta_remove() ->
mt7921_roc_abort_sync() invokes cancel_work_sync() while
roc_work() is still running and holding dev->mt76.mutex.

This avoids the mutex deadlock and preserves exactly-once
work ownership.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
Produkt Linux
Default Statusunaffected
Version 352d966126e66d825244f1185eb9f2d904c83dd4
Version < b4faaa617af3f4173e64169b0ec1af8f9c5bca10
Status affected
Version 352d966126e66d825244f1185eb9f2d904c83dd4
Version < 35180c772f5e11e2fa4d80d3dfd50906cb6d9646
Status affected
Version 352d966126e66d825244f1185eb9f2d904c83dd4
Version < 91e77840bf13de3add125060cf8b32ca24a52c8c
Status affected
Version 352d966126e66d825244f1185eb9f2d904c83dd4
Version < d5059e52fd8bc624ec4255c9fa01a266513d126b
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 6.9
Status affected
Version 0
Version < 6.9
Status unaffected
Version <= 6.12.*
Version 6.12.95
Status unaffected
Version <= 6.18.*
Version 6.18.33
Status unaffected
Version <= 7.0.*
Version 7.0.10
Status unaffected
Version <= *
Version 7.1
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% 0.065
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/35180c772f5e11e2fa4d80d3dfd50906cb6d9646
https://git.kernel.org/stable/c/91e77840bf13de3add125060cf8b32ca24a52c8c
https://git.kernel.org/stable/c/d5059e52fd8bc624ec4255c9fa01a266513d126b
https://git.kernel.org/stable/c/b4faaa617af3f4173e64169b0ec1af8f9c5bca10