Use-after-free in Linux kernel - CVE-2026-93176
Published: September 18, 2026
Vulnerability identifier: #VU150821
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-2026-93176
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a use-after-free condition.
The vulnerability exists due to a dangling pointer in amdgpu_dm_plane_drm_plane_reset() when allocation of a new plane state fails after the old state has been freed. A local user can trigger the affected plane reset path under allocation-failure conditions to trigger a use-after-free condition.
Affected software
Linux kernel
How to mitigate CVE-2026-93176
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3