VULNERABILITY INTELLIGENCE

CVE-2021-44733

CVSS score7 HIGH
EPSS probability0.75%
CISA KEVNot currently listed
Published2021-12-22
Last modified2026-08-05
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-362

Primary references