Rapid7 Vulnerability & Exploit Database

Huawei EulerOS: CVE-2021-44733: kernel security update

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Huawei EulerOS: CVE-2021-44733: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/22/2021
Created
04/21/2022
Added
04/20/2022
Modified
04/20/2022

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.

Solution(s)

  • huawei-euleros-2_0_sp10-upgrade-kernel
  • huawei-euleros-2_0_sp10-upgrade-kernel-abi-stablelists
  • huawei-euleros-2_0_sp10-upgrade-kernel-tools
  • huawei-euleros-2_0_sp10-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp10-upgrade-python3-perf

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;