TI-2026-10636 Aliases CVE-2026-12387 GHSA-fhc3-69jx-hqj7

Mali GPU Kernel 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 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.

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 Kernel Driver (Arm Ltd): r56p0Arm 5th Gen GPU Architecture Kernel 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	Bifrost GPU Kernel Driver	r41p0 – r49p5; r50p0 – r51p0; r54p1 – r54p2	—	No fix listed	CNA
Arm	Valhall GPU Kernel Driver	r41p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA
Arm	Arm 5th Gen GPU Architecture Kernel Driver	r41p0 – r49p5; r50p0 – r54p3; r55p0	r56p0	Patch available	CNA

Bifrost GPU Kernel Driver VendorArm Affected r41p0 – r49p5; r50p0 – r51p0; r54p1 – r54p2 Fixed in — No fix listed CNA
Valhall GPU Kernel Driver VendorArm Affected r41p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA
Arm 5th Gen GPU Architecture Kernel Driver VendorArm Affected r41p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA

Remediation

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

Timeline

2026-10-02 Threatist record created from CVE-2026-12387
2026-10-03 Alias added: GHSA-fhc3-69jx-hqj7

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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences