CVE-2021-44733

Updated: 2022-09-27 17:43:27.996239

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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x MEDIUM 4.4
CVSS Version 3.x HIGH 7

Status

OS name Project name Version Score Severity Status Errata Last updated
CentOS 6 ELS kernel 2.6.32 7 HIGH Not Vulnerable 2022-04-01 15:47:00
CentOS 8.4 ELS kernel 4.18.0 7 HIGH In Progress 2022-08-11 09:28:34
CentOS 8.5 ELS kernel 4.18.0 7 HIGH In Progress 2022-08-11 09:27:57
CloudLinux 6 ELS kernel 2.6.32 7 HIGH Not Vulnerable 2022-04-01 15:47:00
Oracle Linux 6 ELS kernel 2.6.32 7 HIGH Not Vulnerable 2022-04-01 15:47:00
Ubuntu 16.04 ELS linux 4.4.0 7 HIGH Not Vulnerable 2022-04-11 13:01:23
Ubuntu 16.04 ELS linux-hwe 4.15.0 7 HIGH Already Fixed 2022-10-05 03:15:07
Ubuntu 18.04 ELS linux 4.15.0 7 HIGH Needs Triage 2023-03-01 16:04:59