Use-after-free in Linux kernel - CVE-2026-90394
Published: September 18, 2026
Vulnerability identifier: #VU151074
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-2026-90394
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to access freed driver data.
The vulnerability exists due to use-after-free in the sc2731_charger driver's remove path when queued or running work executes after driver data is released. A local user can cause the driver to be removed while work remains queued or running to access freed driver data.
Affected software
Linux kernel
How to mitigate CVE-2026-90394
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/05c188addc6d1af51e28496e95096f4df9a000e9
- https://git.kernel.org/stable/c/232e9e946b496e4706e2f34ce4a617460d8ae713
- https://git.kernel.org/stable/c/972d88069050d0272b776145b824198b8f899dce
- https://git.kernel.org/stable/c/aab9d81a415c6653b44b057695ebfbba34dc9556
- https://git.kernel.org/stable/c/bb74a5ab30963022981381ea6aee176fd0c7957c
- https://git.kernel.org/stable/c/c6df6e0c099086bc553d44410015cc81795070e6
- https://git.kernel.org/stable/c/d5266b4c5c77152e386a3a2d9d5244b3b6cbd57a
- https://git.kernel.org/stable/c/dfc859bb8d332c525872f1a44028137724fa1998