Mali GPU Kernel Driver allows access to already freed memory

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-0001
StatePUBLISHED
AssignerArm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-08 15:18:39 UTC
Updated2026-09-08 15:24:07 UTC
DescriptionUse 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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Problem Types: CWE-416 | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Arm Ltd Bifrost GPU Kernel Driver affected r41p0 r49p5 patch Not specified
CNA Arm Ltd Bifrost GPU Kernel Driver affected r50p0 r51p0 patch Not specified
CNA Arm Ltd Bifrost GPU Kernel Driver affected r54p1 r54p2 patch Not specified
CNA Arm Ltd Valhall GPU Kernel Driver affected r41p0 r49p5 patch Not specified
CNA Arm Ltd Valhall GPU Kernel Driver affected r50p0 r54p3 patch Not specified
CNA Arm Ltd Valhall GPU Kernel Driver affected r55p0 patch Not specified
CNA Arm Ltd Valhall GPU Kernel Driver unaffected r56p0 patch Not specified
CNA Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver affected r41p0 r49p5 patch Not specified
CNA Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver affected r50p0 r54p3 patch Not specified
CNA Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver affected r55p0 patch Not specified
CNA Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver unaffected r56p0 patch Not specified

References

ReferenceSourceLinkTags
support.arm.com/documentation/111552/1-0 [email protected] support.arm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: PhysicalLab (Kihyun Jeong, Yuchan Nam, Hyungjung Joo, Hojun Lee, Yunje Shin, Han Lee, seeh0) (en)

Additional Advisory Data

Solutions

CNA: 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.

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