SB2021033054 - Privilege escalation in Mali GPU kernel driver



SB2021033054 - Privilege escalation in Mali GPU kernel driver

Published: March 30, 2021 Updated: July 5, 2023

Security Bulletin ID SB2021033054
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2021-29256)

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

The vulnerability exists due to improper operations on GPU memory. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.