PT-2026-51995 · Linux · Linux

Publicado

2026-06-24

·

Atualizado

2026-06-24

·

CVE-2026-53101

Nenhuma

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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.
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Identificadores relacionados

CVE-2026-53101

Produtos afetados

Linux