Privilege Escalation and Denial of Service Vulnerability in Arm Mali GPU Driver
CVE-2021-28664

8.8HIGH

Key Information:

Vendor
Arm
Status
Bifrost Gpu Kernel Driver
Midguard Gpu Kernel Driver
Valhall Gpu Kernel Driver
Vendor
CVE Published:
10 May 2021

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

The Arm Mali GPU kernel driver exhibits a significant vulnerability allowing unprivileged users to obtain read/write access to restricted pages. This flaw can result in privilege escalation or cause a denial of service through memory corruption. The affected versions include various releases of the Bifrost, Valhall, and Midgard architectures, which can have severe implications for system security.

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 updates per vendor instructions.

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.