Use After Free Vulnerability in Arm Ltd Valhall GPU Kernel Driver
CVE-2025-8045

4MEDIUM

Key Information:

Vendor

Arm

Vendor
CVE Published:
1 December 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-8045?

A use after free vulnerability exists in the Valhall GPU Kernel Driver and the Arm 5th Gen GPU Architecture Kernel Driver. This flaw allows local non-privileged user processes to execute improper GPU processing operations, potentially leading to unauthorized access to freed memory regions. Affected users should promptly update to secure versions r54p1 or later to mitigate risks associated with this vulnerability.

Affected Version(s)

Arm 5th Gen GPU Architecture Kernel Driver r53p0

Valhall GPU Kernel Driver r53p0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pumpkin (@u1f383) from DEVCORE Research Team
.