Use After Free Affecting kernel-kdump package, versions <0:2.6.32-754.el6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th 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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL6-KERNELKDUMP-1518104
  • published26 Jul 2021
  • disclosed10 May 2017

Introduced: 10 May 2017

CVE-2017-9077  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-kdump to version 0:2.6.32-754.el6 or higher.
This issue was patched in RHSA-2018:1854.

NVD Description

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

The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.

CVSS Scores

version 3.1