TOCTOU Race Condition in Arm GPU Drivers
CVE-2022-34830

7.5HIGH

Key Information:

Vendor

Arm
Status
Utgard Gpu Kernel Driver
Vendor
CVE Published:
23 November 2022

What is CVE-2022-34830?

A vulnerability exists in the Arm Mali GPU Drivers due to a Time-of-Check to Time-of-Use (TOCTOU) race condition. This flaw enables a non-privileged user to execute improper GPU processing operations, potentially allowing access to previously freed memory. As a result, attackers could exploit the vulnerability to manipulate operations that should be restricted, increasing the risk of unintended behavior and security breaches.

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References

https://developer.arm.com/support/arm-security-updates
https://developer.arm.com/Arm%20Security%20Center/Mali%20...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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