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Information Exposure Affecting kernel-rt-devel package, versions <0:3.10.0-327.28.3.rt56.235.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.45% (76th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEVEL-2067364
  • published 26 Jul 2021
  • disclosed 12 Jul 2016
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Introduced: 12 Jul 2016

CVE-2016-5696 Open this link in a new tab
CWE-203 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-devel to version 0:3.10.0-327.28.3.rt56.235.el7 or higher.

NVD Description

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

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

References