CVE-2023-5091: arm ltd valhall gpu kernel driver Use After Free
CVSS: 7.0v3.1HighModified
Published 08-01-2024Last modified 22-05-2025
Vulnerability summary
CVE-2023-5091 is a high (CVSS 7.0) Use After Free vulnerability in arm ltd valhall gpu kernel driver. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.
CVSS score
7.0/10
010
High · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-01-2024PublishedVulnerability first disclosed.
- 22-05-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 5.5–7.0
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 21-09-2026
21-09-202621-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arm1 product
- valhall_gpu_kernel_driver≥ r37p0, ≤ r40p0
Arm ltd1 product
- valhall gpu kernel driver≥ r37p0, ≤ r40p0
2 vendors · 2 products