CVE-2021-28664

moderate-risk
Published 2021-05-10

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 through r30p0 before r31p0.

Do I need to act?

-
0.21% chance of exploitation
EPSS score — low 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/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerab...
Vendor Advisory https://developer.arm.com/support/arm-security-updates
Vendor Advisory https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Vendor Advisory https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerab...
Vendor Advisory https://developer.arm.com/support/arm-security-updates
Vendor Advisory https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
47
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 8/34 · Low
Exposure 9/34 · Low