SB20251230254 - Improper locking in Linux kernel mac80211
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230254
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) Improper locking (CVE-ID: CVE-2023-54288)
CWE-ID: CWE-667 - Improper Locking
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 perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ieee80211_tx_dequeue() function in net/mac80211/tx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6df3eafa31b3ee4f0cba601ca857019964355034
- https://git.kernel.org/stable/c/c79d794a2cd76eca47b2491c5030be9a6418c5d6
- https://git.kernel.org/stable/c/ef6e1997da63ad0ac3fe33153fec9524c9ae56c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4