← Back to browse · API

CVE-2021-44733

Severity
HIGH
CVSS
7.0
Published
2021-12-22
Modified
2026-08-05
First seen
2026-08-06
Aliases
-
Products
debian:debian_linux, fedoraproject:fedora, linux:linux_kernel, netapp:h300e, netapp:h300e_firmware, netapp:h300s, netapp:h300s_firmware, netapp:h410c, netapp:h410c_firmware, netapp:h410s, netapp:h410s_firmware, netapp:h500e, netapp:h500e_firmware, netapp:h500s, netapp:h500s_firmware, netapp:h700e, netapp:h700e_firmware, netapp:h700s, netapp:h700s_firmware, redhat:enterprise_linux
Sources
nvd CVE-2021-44733

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.

References