CVE-2026-7477 - Mali GPU Kernel Driver allows access to already freed memory

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HIGH

Mali GPU Kernel Driver allows access to already freed memory

Published Sep 8, 2026

7.8

HIGH

CVSS 3.1

EPSS 0.16%

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.

Affected products

Vendor Arm Ltd Product Arm 5th Gen GPU Architecture Kernel Driver Default
unaffected
- Version
  r44p0
  Status
  affected
  Constraints
  <=r49p5
- Version
  r50p0
  Status
  affected
  Constraints
  <=r54p3
- Version
  r55p0
  Status
  affected
  Constraints
  -
- Version
  r56p0
  Status
  unaffected
  Constraints
  -
Vendor Arm Ltd Product Bifrost GPU Kernel Driver Default
unaffected
- Version
  r44p0
  Status
  affected
  Constraints
  <=r49p4
- Version
  r50p0
  Status
  affected
  Constraints
  <=r51p0
- Version
  r54p1
  Status
  affected
  Constraints
  <=r54p2
Vendor Arm Ltd Product Valhall GPU Kernel Driver Default
unaffected
- Version
  r44p0
  Status
  affected
  Constraints
  <=r49p5
- Version
  r50p0
  Status
  affected
  Constraints
  <=r54p3

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Arm Ltd

Arm 5th Gen GPU Architecture Kernel Driver

unaffected

Version	Status	Constraints
r44p0	affected	<=r49p5
r50p0	affected	<=r54p3
r55p0	affected	-
r56p0	unaffected	-

Arm Ltd

Bifrost GPU Kernel Driver

unaffected

Version	Status	Constraints
r44p0	affected	<=r49p4
r50p0	affected	<=r51p0
r54p1	affected	<=r54p2

Arm Ltd

Valhall GPU Kernel Driver

unaffected

Version	Status	Constraints
r44p0	affected	<=r49p5
r50p0	affected	<=r54p3

Remediation

Vendor solution

This issue has been fixed in the following versions: Valhall GPU Kernel Driver: r56p0; Arm 5th Gen GPU Architecture Kernel Driver: r56p0. Arm partners are recommended to upgrade to the latest applicable version as soon as possible.