CVE-2023-5091

Mali GPU Kernel Driver allows improper GPU processing operations

Description

Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.

Remediation

Solution:

  • This issue is fixed in Valhall GPU Kernel Driver r41p0. Users are recommended to upgrade if they are impacted by this issue.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory arm.com
Affected: Arm Ltd Valhall GPU Kernel Driver
Published at:
Updated at:

References

Link Tags
https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-5091?
CVE-2023-5091 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5091?
To fix CVE-2023-5091: This issue is fixed in Valhall GPU Kernel Driver r41p0. Users are recommended to upgrade if they are impacted by this issue.
Is CVE-2023-5091 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5091 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5091?
CVE-2023-5091 affects Arm Ltd Valhall GPU Kernel Driver.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.