CVE-2018-6954

highpriority · track · 31EPSS 0.005 · 44 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (44th) EPSS

CVSS 7.2 · high

Is it mine?

37 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USprimaryCWE-264USCWE-59US

affected products (37)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 16.04fstec_bduRU
Canonical Ltd. Ubuntu≤ 18.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 42.3fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.0fstec_bduRU
Novell Inc. OpenStack Cloud Magnum Orchestration≤ 7.0fstec_bduRU
Novell Inc. SUSE CaaS Platform≤ 3.0fstec_bduRU
Novell Inc. SUSE Enterprise Storage≤ 4fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server 12 SP3fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Desktop 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Desktop 12 SP3fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server 12 SP2 LTSSfstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server for SAP Applications 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server 12 SP2-BCLfstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server for SAP Applications 12 SP2fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server for SAP Applications 12 SP2-BCLfstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server for SAP Applications 12 SP2-LTSSfstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server for SAP Applications 12 SP3fstec_bduRU

showing 20 of 37

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2018-02-13modified 2026-06-17

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+2367 more

references (20)

External citations — patches, advisories, analysis.

scry

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