Resource Exhaustion Affecting kernel-debug package, versions <0:2.6.32-754.6.3.el6


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
10.33% (95th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2154824
  • published26 Jul 2021
  • disclosed14 Aug 2018

Introduced: 14 Aug 2018

CVE-2018-5391  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-debug to version 0:2.6.32-754.6.3.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 Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.

CVSS Scores

version 3.1