CVE-2026-23420: wifi: wlcore: Fix a locking bug
In the Linux kernel, the following vulnerability has been resolved:
wifi: wlcore: Fix a locking bug
Make sure that wl->mutex is locked before it is unlocked. This has been detected by the Clang thread-safety analyzer.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
Event History
Frequently Asked Questions
Who can exploit this issue?
Exploitation requires local access and low privileges. No user interaction is required.
What is the likely security impact?
The CVSS vector indicates a high availability impact, with no reported confidentiality or integrity impact. The issue is a locking error involving wl->mutex.
How can I determine whether my kernel includes the fix?
Compare the kernel source or applied stable patches against the referenced stable commits: 1a1c28a08d74716f3f8e3a21c86b30d0ff13521a, 5feeea59ed142e15c3284d0b1a364c6786bf3487, and 72c6df8f284b3a49812ce2ac136727ace70acc7c.