Resource Exhaustion Affecting kernel-debug package, versions <0:2.6.32-71.31.1.el6


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
1.5% (87th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2045564
  • published26 Jul 2021
  • disclosed25 Nov 2010

Introduced: 25 Nov 2010

CVE-2010-4251  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-debug to version 0:2.6.32-71.31.1.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The socket implementation in net/core/sock.c in the Linux kernel before 2.6.34 does not properly manage a backlog of received packets, which allows remote attackers to cause a denial of service (memory consumption) by sending a large amount of network traffic, as demonstrated by netperf UDP tests.

CVSS Scores

version 3.1