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


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-2102776
  • published26 Jul 2021
  • disclosed11 Jan 2021

Introduced: 11 Jan 2021

CVE-2021-0342  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-debug-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-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.

CVSS Scores

version 3.1