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Incorrect Check of Function Return Value Affecting systemd-libs package, versions <0:219-19.el7

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-CENTOS7-SYSTEMDLIBS-2027952
  • published26 Jul 2021
  • disclosed28 Sept 2016
Report a new vulnerability Found a mistake?

Introduced: 28 Sep 2016

CVE-2016-7796  (opens in a new tab)
CWE-253  (opens in a new tab)

How to fix?

Upgrade Centos:7 systemd-libs to version 0:219-19.el7 or higher.

NVD Description

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

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.