HIGH CISA KEV

CVE-2021-28664

CVSS v3

8.8

HIGH

EPSS Score

0.1%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

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-2021-28664?

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.

Is CVE-2021-28664 actively exploited?

Yes. CVE-2021-28664 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-2021-28664?

CVE-2021-28664 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-28664 affecting your environment?

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