Medium 5.5Published Jun 24, 2026

CVE-2026-53103wifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync

Updated under an hour ago (Oct 26, 2026, 12:50 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix potential deadlock in mt7925_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() -> mt7925_mac_sta_remove_link() -> mt7925_mac_link_sta_remove() -> mt7925_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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	45064d19fd3af6aeb0887b35b5564927980cf150 builds before 253cfc33d95ce4a30fd2eca0ff0138603c6c2fcc; 45064d19fd3af6aeb0887b35b5564927980cf150 builds before 153bcba36c87a1ba555b57b6c49028d5812f895b; 45064d19fd3af6aeb0887b35b5564927980cf150 builds before 2d8e0053bca29143ace51e08c980ff076844a4b0; from 45064d19fd3af6aeb0887b35b5564927980cf150 before dd08ca3f092f4185ece69ce2a835c23198b1628a; 978d1756b3ae1b857826eb7ed8181f3c5180dce9; from 6.11.2 before 6.12	CNA record
linux linux_kernel linux:linux_kernel	from 6.11.2 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/253cfc33d95ce4a30fd2eca0ff0138603c6c2fcc
https://git.kernel.org/stable/c/153bcba36c87a1ba555b57b6c49028d5812f895b	patch
https://git.kernel.org/stable/c/2d8e0053bca29143ace51e08c980ff076844a4b0	patch
https://git.kernel.org/stable/c/dd08ca3f092f4185ece69ce2a835c23198b1628a	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.