Use-after-free in Linux kernel - CVE-2025-68735

 

Use-after-free in Linux kernel - CVE-2025-68735

Published: December 26, 2025


Vulnerability identifier: #VU120375
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-68735
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the panthor_fdinfo_gather_group_samples(), panthor_group_create(), panthor_group_destroy() and panthor_fdinfo_gather_group_mem_info() functions in drivers/gpu/drm/panthor/panthor_sched.c. A local user can escalate privileges on the system.


How to mitigate CVE-2025-68735

Install update from vendor's repository.

Sources