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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-rt package, versions <0:3.10.0-514.26.1.rt56.442.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    4.72% (93rd percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRT-2082065
  • published 26 Jul 2021
  • disclosed 7 Feb 2017
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Introduced: 7 Feb 2017

CVE-2017-6214 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt to version 0:3.10.0-514.26.1.rt56.442.el7 or higher.

NVD Description

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

The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.