Use After Free in Arm Valhall GPU Kernel Driver
CVE-2023-5091
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (3.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Arm Valhall GPU Kernel Driver
- Arm Ltd Valhall GPU Kernel Driver — versions r37p0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- developer.arm.com/Arm Security Center/Mali GPU Driver Vulnerabilities (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5091?
- CVE-2023-5091 is a medium-severity vulnerability in Arm Valhall GPU Kernel Driver, classified under Use After Free. CVSS score: 5.5/10. Published 2024-01-08.
- How severe is CVE-2023-5091?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-5091 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.