TI-2026-07941 Aliases CVE-2026-9034 GHSA-f8xc-7843-7v29

Mali GPU Userspace Driver allows access to already freed memory

LOW 35CWE-416Published 2026-09-08 · Updated 2026-09-10

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, 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 Bifrost GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p3; Valhall GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00162 5th 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: Total

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	Bifrost GPU Userspace Driver	r42p0 – r49p5; r50p0 – r51p0; r54p1 – r54p3	—	No fix listed	CNA
Arm	Valhall GPU Userspace Driver	r42p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA
Arm	Arm 5th Gen GPU Architecture Userspace Driver	r42p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA

Bifrost GPU Userspace Driver VendorArm Affected r42p0 – r49p5; r50p0 – r51p0; r54p1 – r54p3 Fixed in — No fix listed CNA
Valhall GPU Userspace Driver VendorArm Affected r42p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA
Arm 5th Gen GPU Architecture Userspace Driver VendorArm Affected r42p0 – 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-2026-9034
2026-10-03 Alias added: GHSA-f8xc-7843-7v29

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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