What is CVE-2022-46891?

CVE-2022-46891 is a high-severity vulnerability in Arm Bifrost_gpu_kernel_driver, classified under Use After Free. CVSS score: 8.8/10. Published 2023-01-17.

How severe is CVE-2022-46891?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-46891 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Arm Bifrost_gpu_kernel_driver

CVE-2022-46891

An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifro…

Vulnerability class: Use-After-Free

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

1337eng/arm_

References

cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2022-46891?: CVE-2022-46891 is a high-severity vulnerability in Arm Bifrost_gpu_kernel_driver, classified under Use After Free. CVSS score: 8.8/10. Published 2023-01-17.
How severe is CVE-2022-46891?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-46891 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.