Use of Uninitialized Resource Affecting kernel-tools-libs package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.12% (49th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLSLIBS-2320960
  • published16 Dec 2021
  • disclosed14 Dec 2021

Introduced: 14 Dec 2021

CVE-2021-44733  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-tools-libs to version 0:4.18.0-372.9.1.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1