Homepage

Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-tools package, versions <0:4.4.51-40.58.amzn1

Severity

 Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
4.72% (93rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN201803-KERNELTOOLS-1705118
  • published27 Sept 2021
  • disclosed23 Feb 2017
Report a new vulnerability Found a mistake?

Introduced: 23 Feb 2017

CVE-2017-6214  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools to version 0:4.4.51-40.58.amzn1 or higher.
This issue was patched in ALAS-2017-805.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.