CVE-2022-46395: An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already...

Description

An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.68%

83.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Arm	Avalon Gpu Kernel Driver	r41p0
Arm	Bifrost Gpu Kernel Driver	>= r0p0, <= r41p0
Arm	Midgard Gpu Kernel Driver	>= r0p0, <= r32p0
Arm	Valhall Gpu Kernel Driver	>= r19p0, <= r41p0

References

Timeline

Published: Mar 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46395?

An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.

How severe is CVE-2022-46395?

CVE-2022-46395 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.68% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46395?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.