CISA-confirmed known exploited vulnerability

CVE-2021-28664

Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability

Arm · Mali Graphics Processing Unit (GPU)

Vulnerability details

Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other processes.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Unknown

CISA due date: 2021-11-17

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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