Reachable Assertion Affecting systemd-devel package, versions <0:219-19.el7_2.18
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-SYSTEMDDEVEL-5150705
- published 26 Jul 2021
- disclosed 28 Sep 2016
Introduced: 28 Sep 2016
CVE-2016-7795 Open this link in a new tabHow to fix?
Upgrade RHEL:7 systemd-devel to version 0:219-19.el7_2.18 or higher.
This issue was patched in RHSA-2016:2694.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd-devel package and not the systemd-devel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.
References
- http://www.securityfocus.com/bid/93223
- https://github.com/systemd/systemd/issues/4234
- https://access.redhat.com/security/cve/CVE-2016-7795
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
- http://www.openwall.com/lists/oss-security/2016/09/28/9
- http://www.openwall.com/lists/oss-security/2016/09/30/1
- http://rhn.redhat.com/errata/RHSA-2016-2610.html
- http://rhn.redhat.com/errata/RHSA-2016-2694.html
- http://www.securitytracker.com/id/1037320
- http://www.ubuntu.com/usn/USN-3094-1