Vulnerability · Published Dec 1, 2023 · Assigned by Arm

CVE-2023-5427Mali GPU Kernel Driver allows improper GPU processing operations

High 7.8

In plain English

A high-severity use-after-free in Arm 5th Gen GPU Architecture Kernel Driver from Arm Ltd. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 73.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Arm Ltd Bifrost GPU Kernel Driver r44p0 – through r45p0
Arm Ltd Valhall GPU Kernel Driver r44p0 – through r45p0
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r44p0 – through r45p0

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References