SB20250916394 - Input validation error in Linux kernel mac80211
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916394
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 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-53257)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ieee80211_rx_h_action() function in net/mac80211/rx.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/19e4a47ee74718a22e963e8a647c8c3bfe8bb05c
- https://git.kernel.org/stable/c/5e030a2509be72b452b6f4a800786d43229414db
- https://git.kernel.org/stable/c/7ae7a1378a119780c8c17a6b5fc03011c3bb7029
- https://git.kernel.org/stable/c/fedd9377dd9c71a950d432fbe1628eebfbed70a1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133