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

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    4.72% (93rd percentile)

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  • Snyk ID SNYK-CENTOS7-PERF-2081920
  • published 26 Jul 2021
  • disclosed 7 Feb 2017
Report a new vulnerability Found a mistake?

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 perf to version 0:3.10.0-514.26.1.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf 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.