TI-2026-10260 Aliases CVE-2026-11891 GHSA-v44f-6g2r-3454

Mali GPU Userspace Driver allows access to already freed memory

LOW 22CWE-416Published 2026-09-08 · Updated 2026-09-10

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Use After Free vulnerability in Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory. This issue affects Valhall GPU Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00157 4th percentileScored 2026-11-07

Fix Fixed Valhall GPU Userspace Driver (Arm Ltd): r56p0Arm 5th Gen GPU Architecture Userspace Driver (Arm Ltd): r56p0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Arm	Valhall GPU Userspace Driver	r46p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA
Arm	Arm 5th Gen GPU Architecture Userspace Driver	r46p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA

Valhall GPU Userspace Driver VendorArm Affected r46p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA
Arm 5th Gen GPU Architecture Userspace Driver VendorArm Affected r46p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA

Remediation

Fix · CNA Valhall GPU Userspace Driver (Arm Ltd) Fixed in r56p0
Fix · CNA Arm 5th Gen GPU Architecture Userspace Driver (Arm Ltd) Fixed in r56p0

Timeline

2026-10-02 Threatist record created from CVE-2026-11891
2026-10-03 Alias added: GHSA-v44f-6g2r-3454

References

Other 1

https://support.arm.com/documentation/111552/1-0/?lang=en

TI-2022-17875 The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because… KEVCVSS 3.1HIGH 8.8
TI-2021-10068 . KEVCVSS 3.1HIGH 8.8
TI-2021-09732 The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory… KEVCVSS 3.1HIGH 8.8
TI-2021-09731 The Arm Mali GPU kernel driver allows privilege escalation or information disclosure… KEVCVSS 3.1HIGH 8.8
TI-2024-04292 Mali GPU Kernel Driver allows improper GPU memory processing operations KEVCVSS 3.1HIGH 7.8
TI-2022-06958 Arm Mali GPU Kernel Driver allows a non-privileged user to achieve write access to… KEVCVSS 3.1HIGH 7.8

See all 174 →

Sources

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