SB2023082426 - Security features bypass in Google ChromeOS LTC-114



SB2023082426 - Security features bypass in Google ChromeOS LTC-114

Published: August 24, 2023 Updated: October 2, 2023

Security Bulletin ID SB2023082426
CSH 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 vulnerability.


1) Use-after-free (CVE-ID: CVE-2023-4211)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 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:A/U:Amber


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

The vulnerability exists due to a use-after-free error within Mali GPU Kernel Driver. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.