Improper Locking Affecting kernel-rt-doc package, versions <0:3.10.0-1160.21.1.rt56.1158.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CENTOS7-KERNELRTDOC-2185197
  • published26 Jul 2021
  • disclosed4 Dec 2020

Introduced: 4 Dec 2020

CVE-2020-29661  (opens in a new tab)
CWE-667  (opens in a new tab)
CWE-416  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 kernel-rt-doc to version 0:3.10.0-1160.21.1.rt56.1158.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-doc package and not the kernel-rt-doc package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.

CVSS Scores

version 3.1