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Divide By Zero Affecting kernel-tools-libs package, versions <0:3.10.0-693.5.2.el7

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELTOOLSLIBS-2093247
  • published26 Jul 2021
  • disclosed1 Sept 2017
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Introduced: 1 Sep 2017

CVE-2017-14106  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-tools-libs to version 0:3.10.0-693.5.2.el7 or higher.

NVD Description

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

The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.