CVE-2026-7477

High

Description

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 memory processing operations to access already freed memory. This issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p4, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3, r55p0.

SeverityHigh
CVSS7.8
Exploit probability—
ProductBifrost GPU Kernel Driver
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Arm Ltd Bifrost GPU Kernel Driverr44p0 ≤ v ≤ r49p4, r50p0 ≤ v ≤ r51p0, r54p1 ≤ v ≤ r54p2—
Arm Ltd Valhall GPU Kernel Driverr44p0 ≤ v ≤ r49p5, r50p0 ≤ v ≤ r54p3—
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driverr44p0 ≤ v ≤ r49p5, r50p0 ≤ v ≤ r54p3, r55p0—

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