Use After Free Affecting kernel-tools package, versions <0:3.10.0-693.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELTOOLS-2084560
  • published26 Jul 2021
  • disclosed15 May 2016

Introduced: 15 May 2016

CVE-2016-9806  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-tools to version 0:3.10.0-693.el7 or higher.

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 Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated.

CVSS Scores

version 3.1