SB2023072132 - Double free in Linux kernel vmwgfx driver
Published: July 21, 2023
Security Bulletin ID
SB2023072132
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) Double free (CVE-ID: CVE-2023-33952)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when handling vmw_buffer_object objects within the vmw_user_bo_lookup() function in drivers/gpu/drm/vmwgfx/vmwgfx_bo.c. A local user can trigger a double free error and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.