CVE-2021-44733

HighCVSS 7.0/10Last modified Aug 5, 2026

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.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 22, 2021
Last modified
Aug 5, 2026
NVD status
Analyzed

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CVE-2021-44733: High severity, CVSS 7.0 | Vulnix