Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations
CVE-2023-4211

5.5MEDIUM

Key Information:

Vendor
Arm Ltd
Status
Midgard Gpu Kernel Driver
Bifrost Gpu Kernel Driver
Valhall Gpu Kernel Driver
Arm 5th Gen Gpu Architecture Kernel Driver
Vendor
CVE Published:
1 October 2023

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

Arm 5th Gen GPU Architecture Kernel Driver r41p0

Bifrost GPU Kernel Driver r0p0

Midgard GPU Kernel Driver r12p0

References

https://developer.arm.com/Arm%20Security%20Center/Mali%20...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

Credit

Maddie Stone, Google Threat Analysis Group
Jann Horn, Google Project Zero
.