CVE-2018-15687

Publication date 26 October 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.0 · High

Score breakdown

Description

A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.

Status

Package Ubuntu Release Status
systemd 18.10 cosmic
Fixed 239-7ubuntu10.3
18.04 LTS bionic
Fixed 237-3ubuntu10.6
16.04 LTS xenial
Fixed 229-4ubuntu21.8
14.04 LTS trusty
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
systemd

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.0 · High

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3816-1
    • systemd vulnerabilities
    • 12 November 2018

Other references

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