Junglewise Threat Intelligence

CVE-2022-38181: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability

CVE-2022-38181 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2023-03-30

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

Executive brief

The Arm Mali GPU kernel driver contains a use-after-free vulnerability due to the mishandling of GPU memory operations. This flaw allows unprivileged users to access freed memory, potentially leading to root privilege escalation or information disclosure.

Affected products

  • Arm Mali GPU Kernel Driver (Bifrost) r0p0 through r38p1, and r39p0
  • Arm Mali GPU Kernel Driver (Valhall) r19p0 through r38p1, and r39p0
  • Arm Mali GPU Kernel Driver (Midgard) r4p0 through r32p0

Timeline

  • 2023-01-23: disclosed: Public disclosure of exploit details by GitHub Security Lab and Google Project Zero.
  • 2023-03-30: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.
  • 2023-03-30: advisory: NVD publication date.

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