SB2025091665 - Memory leak in Linux kernel mac80211
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091665
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) Memory leak (CVE-ID: CVE-2022-50290)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ieee80211_if_add() function in net/mac80211/iface.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/13e5afd3d773c6fc6ca2b89027befaaaa1ea7293
- https://git.kernel.org/stable/c/147537737a3c83e07a5295de38424c21d354d2a4
- https://git.kernel.org/stable/c/2e32f1299814e8aa2e75aa58704543a36ea3e201
- https://git.kernel.org/stable/c/9a50a7f64243bd21a84353c371f3977b9ffd9fa5
- https://git.kernel.org/stable/c/b2c0b94f48373ee743a4d63825a9d52364418837
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163