vulnerability

Red Hat: CVE-2021-44733: CVE-2021-44733 kernel: use-after-free in the TEE subsystem (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
2021-12-22
Added
2022-05-13
Modified
2025-01-28

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.

Solution(s)

redhat-upgrade-kernelredhat-upgrade-kernel-rt
Title
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