Incorrect Behavior Order: Early Validation Affecting libvirt-lock-sanlock package, versions <0:4.5.0-10.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-RHEL7-LIBVIRTLOCKSANLOCK-4904039
  • published26 Jul 2021
  • disclosed5 Feb 2018

Introduced: 5 Feb 2018

CVE-2018-6764  (opens in a new tab)
CWE-179  (opens in a new tab)

How to fix?

Upgrade RHEL:7 libvirt-lock-sanlock to version 0:4.5.0-10.el7 or higher.
This issue was patched in RHSA-2018:3113.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-lock-sanlock package and not the libvirt-lock-sanlock package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.