HIGH CISA KEV

CVE-2021-28663

CVSS v3

8.8

HIGH

EPSS Score

2.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Unknown

Technical details

Published
5/10/2021

Frequently asked questions

What is CVE-2021-28663?

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.

Is CVE-2021-28663 actively exploited?

Yes. CVE-2021-28663 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-28663?

CVE-2021-28663 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-28663 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.