CVE-2026-9040: Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information
A race condition 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 improper GPU memory processing operations to cause a denial of service or disclose sensitive information.
This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Arm Ltd Valhall GPU Kernel Driverto a version that resolves this vulnerability.Fixed in r56p0 - Upgrade
Upgrade
Arm 5th Gen GPU Architecture Kernel Driver (Arm Ltd)to a version that resolves this vulnerability.Fixed in r56p0
Event History
Frequently Asked Questions
Who can exploit this issue?
A local non-privileged user process can exploit the race condition. Remote-only attackers are not described as able to trigger it.
Which driver release ranges are affected?
Affected Bifrost releases are r12p0 through r49p5, r50p0 through r51p0, and r54p1 through r54p2. Affected Valhall and Arm 5th Gen releases are r19p0 or r41p0, respectively, through r49p5; r50p0 through r54p3; and r55p0.
What impact can successful exploitation have?
Improper GPU memory processing operations can cause a denial of service or disclose sensitive information. The provided information does not indicate privilege escalation or code execution.