SB20260114178 - Resource management error in Linux kernel mac80211
Published: January 14, 2026
Security Bulletin ID
SB20260114178
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) Resource management error (CVE-ID: CVE-2025-71127)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ieee80211_rx_h_mgmt_check() 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/193d18f60588e95d62e0f82b6a53893e5f2f19f8
- https://git.kernel.org/stable/c/6e5bff40bb38741e40c33043ba0816fba5f93661
- https://git.kernel.org/stable/c/7b240a8935d554ad36a52c2c37c32039f9afaef2
- https://git.kernel.org/stable/c/88aab153d1528bc559292a12fb5105ee97528e1f
- https://git.kernel.org/stable/c/a21704df4024708be698fb3fd5830d5b113b70e0