CVE-2021-29256

8.8HIGH

Key Information

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

Badges

👾 Exploit Exists

Summary

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.

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 CVE-2021-29256 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.

EPSS Score

2% chance of being exploited in the next 30 days.

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 exists.

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre DatabaseCISA Database
.