CVE-2025-6349: Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver…
CVE-2025-6349 · Severity: medium · CVSS 5.1 · Published 2025-12-01
Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to gain access to already freed memory.This issue affects Valhall GPU Kernel Driver: from r53p0 through r54p1; Arm 5th Gen GPU Architecture Kernel Driver: from r53p0 through r54p1.
No. Junglewise Threat Intelligence has no report of CVE-2025-6349 being exploited in the wild.
How severe is CVE-2025-6349?
Medium severity, with a CVSS score of 5.1, published 1 December 2025.
Which products and versions are affected?
Arm 5th Gen GPU Architecture Kernel Driver, Arm Valhall GPU Kernel Driver. The advisory does not name versions.
Is there a fix for CVE-2025-6349?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-6349?
Check whether you run Arm 5th Gen GPU Architecture Kernel Driver or Arm Valhall GPU Kernel Driver. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.