SB2026062553 - Deadlock in Linux kernel mt76 mt7925 driver
Published: June 25, 2026
Security Bulletin ID
SB2026062553
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deadlock (CVE-ID: CVE-2026-53103)
CWE-ID: CWE-833 - Deadlock
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a deadlock condition in mt7925_roc_abort_sync when canceling roc_work during station removal while the work item is still running and holding dev->mt76.mutex. A local user can trigger station removal to cause a denial of service.
Remediation
Install update from vendor's website.