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Vulnerability record · CVE-2016-10156 · published 23 January 2017

CVE-2016-10156: Systemd project systemd permissions and access controls vulnerability

Systemd Project · Systemd

A flaw in systemd v228 in /src/basic/fs-util.c caused world writable suid files to be created when using the systemd timers features, allowing local attackers to escalate their privileges to root. This is fixed in v229.

7.8 CVSS 3.0 High EPSS 1.2% · top 32.3% CWE-264 · Permissions and access controls
7.8CVSS 3.0 base score, v2 7.2
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

A flaw in systemd v228 in /src/basic/fs-util.c caused world writable suid files to be created when using the systemd timers features, allowing local attackers to escalate their privileges to root. This is fixed in v229.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/95790 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037686
https://bugzilla.suse.com/show_bug.cgi?id=1020601 Issue Tracking
https://github.com/systemd/systemd/commit/06eeacb6fe029804f296b065b3ce91e796e1cd0e Issue TrackingPatchThird Party Advisory
https://github.com/systemd/systemd/commit/ee735086f8670be1591fa9593e80dd60163a7a2f Issue TrackingPatchThird Party Advisory
https://www.exploit-db.com/exploits/41171/
http://www.securityfocus.com/bid/95790 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037686
https://bugzilla.suse.com/show_bug.cgi?id=1020601 Issue Tracking
https://github.com/systemd/systemd/commit/06eeacb6fe029804f296b065b3ce91e796e1cd0e Issue TrackingPatchThird Party Advisory
https://github.com/systemd/systemd/commit/ee735086f8670be1591fa9593e80dd60163a7a2f Issue TrackingPatchThird Party Advisory
https://www.exploit-db.com/exploits/41171/

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Source: NIST National Vulnerability Database (record CVE-2016-10156), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.