Memory Leak Affecting systemd-resolved package, versions <0:219-62.el7_6.3


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (5th 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 Memory Leak vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS7-SYSTEMDRESOLVED-2133008
  • published26 Jul 2021
  • disclosed14 Jan 2019

Introduced: 14 Jan 2019

CVE-2019-3815  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Centos:7 systemd-resolved to version 0:219-62.el7_6.3 or higher.

NVD Description

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

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the _CMDLINE= entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

CVSS Scores

version 3.1