Use After Free Affecting kernel-rt-modules-extra package, versions <0:4.18.0-305.rt7.72.el8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.97% (57th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTMODULESEXTRA-2104558
  • published26 Jul 2021
  • disclosed31 May 2020

Introduced: 31 May 2020

CVE-2020-14356  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-305.rt7.72.el8 or higher.

NVD Description

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

A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.

CVSS Base Scores

version 3.1