CVE-2023-26083: Arm Mali GPU Kernel Driver Information Disclosure Vulnerability
CVE-2023-26083 · Severity: critical · CVSS 3.3 · Exploited in the wild · Published 2023-04-07
A memory leak vulnerability in various Arm Mali GPU Kernel Drivers allows a non-privileged local user to perform GPU processing operations that expose sensitive kernel metadata. This information disclosure can be used to bypass security mitigations.
Yes. CVE-2023-26083 is known to be exploited in the wild, first recorded on 7 April 2023. Treat it as urgent.
How severe is CVE-2023-26083?
Critical severity, with a CVSS score of 3.3, published 7 April 2023.
Which products and versions are affected?
Arm Midgard GPU Kernel Driver r6p0 - r32p0; Arm Bifrost GPU Kernel Driver r0p0 - r42p0; Arm Valhall GPU Kernel Driver r19p0 - r42p0; Arm Avalon GPU Kernel Driver r41p0 - r42p0.
Is there a fix for CVE-2023-26083?
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-2023-26083 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2023-26083?
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 Midgard GPU Kernel Driver r6p0 - r32p0
Arm Bifrost GPU Kernel Driver r0p0 - r42p0
Arm Valhall GPU Kernel Driver r19p0 - r42p0
Arm Avalon GPU Kernel Driver r41p0 - r42p0
Timeline
2023-04-06: disclosed
2023-04-07: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2023-04-07: exploited: Reported as exploited in the wild