Out-of-bounds Write Affecting kernel-rt-kvm package, versions <0:3.10.0-1160.41.1.rt56.1181.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.21% (61st 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-KERNELRTKVM-2186193
  • published26 Jul 2021
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-22555  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-1160.41.1.rt56.1181.el7 or higher.

NVD Description

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

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

CVSS Scores

version 3.1