Memory leak in Linux kernel - CVE-2026-98327
Published: October 7, 2026
Vulnerability identifier: #VU153701
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-2026-98327
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 memory leak and leave stale channel-switch state.
The vulnerability exists due to incomplete cleanup of allocated memory and channel-switch state in ieee80211_stop_mesh() when leaving a mesh network while a channel switch is pending. A local user can leave the mesh before the channel switch completes to cause a memory leak and leave stale channel-switch state.
Affected software
Linux kernel
Debian Linux
linux (Debian package)
Debian Linux
linux (Debian package)
How to mitigate CVE-2026-98327
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
linux (Debian package) - update to 6.12.113-1
linux (Debian package) - update to 6.12.113-1