Improper Input Validation Affecting systemd-libs package, versions <0:219-30.0.1.el7_3.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed13 Oct 2016
Introduced: 13 Oct 2016
CVE-2016-7795 (opens in a new tab)How to fix?
Upgrade Oracle:7 systemd-libs to version 0:219-30.0.1.el7_3.3 or higher.
This issue was patched in ELSA-2016-2610.
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 Oracle.
See How to fix? for Oracle: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
- https://linux.oracle.com/cve/CVE-2016-7795.html
- https://linux.oracle.com/errata/ELSA-2016-2610.html
- http://rhn.redhat.com/errata/RHSA-2016-2610.html
- http://rhn.redhat.com/errata/RHSA-2016-2694.html
- http://www.openwall.com/lists/oss-security/2016/09/28/9
- http://www.openwall.com/lists/oss-security/2016/09/30/1
- http://www.securityfocus.com/bid/93223
- http://www.securitytracker.com/id/1037320
- http://www.ubuntu.com/usn/USN-3094-1
- https://github.com/systemd/systemd/issues/4234
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet