vulnerability
Red Hat: CVE-2021-44733: CVE-2021-44733 kernel: use-after-free in the TEE subsystem (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:N/C:P/I:P/A:P) | Dec 22, 2021 | May 13, 2022 | Aug 11, 2025 |
Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Dec 22, 2021
Added
May 13, 2022
Modified
Aug 11, 2025
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.