TI-2023-04996 Aliases CVE-2023-5427 GHSA-jrr9-w96c-8wpv

Mali GPU Kernel Driver allows improper GPU processing operations

HIGH 69CWE-416Published 2023-12-01 · Updated 2026-02-25

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: No fix listed

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 Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00334 26th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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 Kernel Driver	r44p0 – r45p0	—	No fix listed	CNA
Arm	Valhall GPU Kernel Driver	r44p0 – r45p0	—	No fix listed	CNA
Arm	Arm 5th Gen GPU Architecture Kernel Driver	r44p0 – r45p0	—	No fix listed	CNA

Bifrost GPU Kernel Driver VendorArm Affected r44p0 – r45p0 Fixed in — No fix listed CNA
Valhall GPU Kernel Driver VendorArm Affected r44p0 – r45p0 Fixed in — No fix listed CNA
Arm 5th Gen GPU Architecture Kernel Driver VendorArm Affected r44p0 – r45p0 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver::::::::	r44p0 to before r46p0	Vulnerable	Arm
cpe:2.3:a:arm:bifrost_gpu_kernel_driver::::::::	r44p0 to before r46p0	Vulnerable	Arm
cpe:2.3:a:arm:valhall_gpu_kernel_driver::::::::	r44p0 to before r46p0	Vulnerable	Arm

cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver:*:*:*:*:*:*:*:* Versions r44p0 to before r46p0 Vulnerable ·Arm
cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r44p0 to before r46p0 Vulnerable ·Arm
cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r44p0 to before r46p0 Vulnerable ·Arm

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5427
2026-10-03 Alias added: GHSA-jrr9-w96c-8wpv

References

Exploit 1

http://packetstormsecurity.com/files/176029/ARM-Mali-r44p0-Use-After-Free.html

Advisory 1

https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

TI-2023-03898 Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations KEVCVSS 3.1MEDIUM 5.5
TI-2023-11313 Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all… KEVCVSS 3.1LOW 3.3
TI-2023-05732 Mali GPU Kernel Driver allows improper GPU memory processing operations CVSS 3.1HIGH 7.8
TI-2024-00986 Mali GPU Kernel Driver allows improper GPU memory processing operations CVSS 3.1MEDIUM 5.9
TI-2023-05648 Mali GPU Kernel Driver allows improper GPU memory processing operations CVSS 3.1HIGH 8.4
TI-2023-16056 Mali GPU Userspace Driver can make an Out-of-Bounds access CVSS 3.1HIGH 7.8

See all 24 →

Sources

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