Out-of-Bounds Affecting kernel-rt-doc package, versions <0:3.10.0-1160.21.1.rt56.1158.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTDOC-2182806
  • published26 Jul 2021
  • disclosed9 Sept 2020

Introduced: 9 Sep 2020

CVE-2020-25211  (opens in a new tab)
CWE-119  (opens in a new tab)

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.

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

CVSS Scores

version 3.1