SB20251226124 - Use-after-free in Linux kernel mediatek jpeg driver



SB20251226124 - Use-after-free in Linux kernel mediatek jpeg driver

Published: December 26, 2025 Updated: December 31, 2025

Security Bulletin ID SB20251226124
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2023-54103)

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

The vulnerability exists due to a use-after-free error within the mtk_jpeg_remove() function in drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.