CVE-2018-6954 - CVE House
Back to Database
Status published Unknown CVE-2018-6954

systemd-tmpfiles in systemd through 237 mishandles symlinks present in non-terminal...

Vulnerability Description

systemd-tmpfiles in systemd through 237 mishandles symlinks present in non-terminal path components, which allows local users to obtain ownership of arbitrary files via vectors involving creation of a directory and a file under that directory, and later replacing that directory with a symlink. This occurs even if the fs.protected_symlinks sysctl is turned on.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2018-6954

Credits & Attribution

No credits recorded in the NVD database.

References

More from systemd project

View All →
CVE-2022-45873
systemd 250 and 251 allows local users to achieve a...
Unknown 0
CVE-2021-33910
basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1...
Unknown 0
CVE-2020-13776
systemd through v245 mishandles numerical usernames such as ones composed...
Unknown 0
CVE-2019-6454
An issue was discovered in sd-bus in systemd 239. bus_process_object()...
Medium 5.5
CVE-2019-20386
An issue was discovered in button_open in login/logind-button.c in systemd...
Unknown 0

Affected Vendor

systemd project

View all reports →

Affected Software

systemd, ubuntu linux, leap
Vulnerable Versions:
0, 16.04, 18.04, 18.10, 42.3

Timeline

Official Publish: February 13th, 2018
Last Modified: June 9th, 2025
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.