Home/CVE/In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from ke
CVE

CVE-2018-1049

In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from ke

In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from kernel may not be serviced by systemd resulting in kernel holding the mountpoint and any processes that try to use said mount will hang. A race condition like this may lead to denial of service, until mount points are unmounted.

MEDIUM · CVSS 5.9 EPSS 0.00463
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

11
systemd project systemd< 234
redhat enterprise linuxall versions
redhat enterprise linux ausall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux server tusall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSystemd Service Creation
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Feb 2018 · 09:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
usnUSN-3558-1
suse-csafSUSE-SU-2018:0299-1
rhsaRHSA-2018:0260Moderate
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securitytracker.com/id/1041520Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1534701Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00017.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3558-1/Third Party Advisory
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