Memory leak in Linux kernel - CVE-2026-90346

 

Memory leak in Linux kernel - CVE-2026-90346

Published: September 18, 2026


Vulnerability identifier: #VU151134
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90346
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource cleanup in nl80211_color_change() when parsing beacon_next templates. A local user can trigger a beacon_next parsing failure to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-90346

Install security update from vendor's repository.


External References

Related Security Bulletins