CVE-2021-29256
Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Mali Graphics Processing Unit (GPU), fix it now.
CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
US federal civilian agencies must remediate by Jul 28, 2023.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Source |
|---|---|---|
| Mali Graphics Processing Unit (GPU) | Arm | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2021-29256 scored CVSS 8.8: Arm Mali Graphics Processing Unit (GPU), Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
CISA lists this as exploited in the wild. Unpatched Mali Graphics Processing Unit (GPU) systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
1 earlier event is available with a subscription. See plans.
Coverage
We have not published a story about this vulnerability yet.