CVE-2021-28663

high-risk
Published 2021-05-10

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.

Do I need to act?

~
2.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Arm

References (7)

Vendor Advisory https://developer.arm.com/support/arm-security-updates
Vendor Advisory https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Exploit https://github.com/lntrx/CVE-2021-28663
Vendor Advisory https://developer.arm.com/support/arm-security-updates
Vendor Advisory https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Exploit https://github.com/lntrx/CVE-2021-28663
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
52
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 13/34 · Low
Exposure 9/34 · Low