SB2023120615 - Privilege escalation in Linux kernel QXL driver
Published: December 6, 2023 Updated: August 5, 2024
Security Bulletin ID
SB2023120615
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-2023-39198)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the QXL driver in the Linux kernel. A local privileged user can trigger a use-after-free error and escalate privileges on the system.
Remediation
Install update from vendor's website.