← Global Threat Landscape

CVE-2021-28664

CWE-787

Critical

94.4

RPS

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.

Source: NVD

Signals

CVSS
8.8
High · v3.1
EPSS
5.40%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Nov 2021
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-787
Published
10 May 2021
Last modified 3 Nov 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

Get this score from the API

curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
  https://api.intelligence.devsecure.io/api/v1/rps/CVE-2021-28664

Replace the placeholder with your key. Get a free API key or rank your own CVEs.

Data as of 7 Oct 2026, 05:16 UK time

CVE-2021-28664 · RPS 94.4 · DevSecure Intelligence