SB2026021878 - Use-after-free in Linux kernel drm exynos driver



SB2026021878 - Use-after-free in Linux kernel drm exynos driver

Published: February 18, 2026

Security Bulletin ID SB2026021878
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-2026-23227)

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

The vulnerability exists due to a use-after-free error within the vidi_store_connection(), vidi_connection_ioctl(), vidi_detect(), vidi_get_modes() and vidi_remove() functions in drivers/gpu/drm/exynos/exynos_drm_vidi.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.