CVE-2021-44733

Published December 22nd, 2021

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CVSS v3

HIGH

CVSS v2

4.4

MEDIUM

Affected

PROJECT

Description

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.

pjlantz/optee-qemu

Environment with vulnerable kernel for exploitation of the TEE driver (CVE-2021-44733)

GitHub