CVE-2026-53101
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 de…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 6.9 before 6.12.95 from 6.13 before 6.18.33 from 6.19 before 7.0.10 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/35180c772f5e11e2fa4d80d3dfd50906cb6d9646
- https://git.kernel.org/stable/c/91e77840bf13de3add125060cf8b32ca24a52c8c
- https://git.kernel.org/stable/c/b4faaa617af3f4173e64169b0ec1af8f9c5bca10
- https://git.kernel.org/stable/c/d5059e52fd8bc624ec4255c9fa01a266513d126b