SB20251226115 - Use-after-free in Linux kernel drm panthor driver
Published: December 26, 2025
Security Bulletin ID
SB20251226115
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-68735)
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.
Remediation
Install update from vendor's website.