CVE-2021-28664: Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability

CVE-2021-28664 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03

The Arm Mali GPU kernel driver contains a vulnerability that allows an unprivileged user to gain read/write access to read-only memory pages. This flaw can lead to local privilege escalation, memory corruption, or denial of service.

Technologies: Arm Mali Graphics Processing Unit (GPU). Vendors: Arm.

Quick answers

Is CVE-2021-28664 exploited in the wild?
Yes. CVE-2021-28664 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-28664?
Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?
Arm Bifrost GPU Kernel Driver r0p0 through r29p0 before r30p0; Arm Valhall GPU Kernel Driver r19p0 through r29p0 before r30p0; Arm Midgard GPU Kernel Driver r8p0 through r30p0 before r31p0.
Is there a fix for CVE-2021-28664?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-28664 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2021-28664?
Check whether you run Arm Mali Graphics Processing Unit (GPU). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Arm Bifrost GPU Kernel Driver r0p0 through r29p0 before r30p0
  • Arm Valhall GPU Kernel Driver r19p0 through r29p0 before r30p0
  • Arm Midgard GPU Kernel Driver r8p0 through r30p0 before r31p0

Timeline

  • 2021-11-03: disclosed
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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