AUGUST 4, 2026
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Case File

CVE-2021-29256

HIGH · CVSS 8.8 EPSS 3.02% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-24 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2023-07-07

Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

CVE
CVE-2021-29256
Severity
HIGH
CVSS
8.8
EPSS
3.02%

Original NVD Description

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.

Related CVEs

Other vulnerabilities affecting the same vendor(s)