SB2025040762 - Privilege escalation in PowerVR GPU DDK
Published: April 7, 2025
Security Bulletin ID
SB2025040762
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2024-52938)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the rgxfw_pm_add_freelist_for_reconstruction() function. Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to subvert reconstruction activities to trigger a write of data outside the Guest’s virtualised GPU memory.
Remediation
Install update from vendor's website.