Use-after-free in Linux kernel - CVE-2026-98192
Published: October 7, 2026
Vulnerability identifier: #VU153826
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98192
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a use-after-free in kernel memory.
The vulnerability exists due to use-after-free in the wcn36xx wireless driver's TX ack timer teardown when removing the device while a timer callback is still executing. A local user can trigger teardown concurrently with the callback to cause a use-after-free in kernel memory.
Affected software
Linux kernel
Debian Linux
linux (Debian package)
Debian Linux
linux (Debian package)
How to mitigate CVE-2026-98192
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