Memory Access Vulnerability in Arm Mali GPU Kernel Driver
CVE-2021-29256

8.8HIGH

Key Information:

Vendor
Arm
Status
Bifrost
Valhall
Midgard
Vendor
CVE Published:
24 May 2021

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

The Arm Mali GPU kernel driver is susceptible to a vulnerability that allows unprivileged users unauthorized access to freed memory. This flaw can potentially lead to information disclosure or escalation of privileges to root. Specifically, it impacts certain versions of the Bifrost, Valhall, and Midgard architectures, necessitating immediate attention to avoid exploitation. To mitigate risks, users are urged to upgrade to the latest releases.

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 or discontinue use of the product if updates are unavailable.

References

https://developer.arm.com/support/arm-security-updates/ma...
x_refsource_CONFIRM

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

.