Use After Free in Arm 5th Gen GPU Architecture Kernel Driver
CVE-2025-0427
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r8p0 through r49p3, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r19p0 through r49p3, from r50p0 through r53p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p3, from r50p0 through r53p0.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% 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 5th Gen GPU Architecture Kernel Driver
- Arm Bifrost GPU Kernel Driver
- Arm Valhall GPU Kernel Driver
- Arm Ltd 5th Gen GPU Architecture Kernel Driver — versions r41p0, r50p0
- Arm Ltd Bifrost GPU Kernel Driver — versions r8p0, r50p0
- Arm Ltd Valhall GPU Kernel Driver — versions r19p0, r50p0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- developer.arm.com/documentation/110465/latest/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-0427?
- CVE-2025-0427 is a high-severity vulnerability in Arm 5th Gen GPU Architecture Kernel Driver, classified under Use After Free. CVSS score: 7.8/10. Published 2025-05-02.
- How severe is CVE-2025-0427?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-0427 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.