CVE Vulnerabilities

CVE-2022-34830

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Nov 23, 2022 | Modified: Apr 28, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

An Arm product family through 2022-06-29 has a TOCTOU Race Condition that allows non-privileged user to make improper GPU processing operations to gain access to already freed memory.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Utgard_gpu_kernel_driver Arm r11p0 (including) r11p0 (including)
Utgard_gpu_kernel_driver Arm r12p0 (including) r12p0 (including)

Potential Mitigations

References