Race Condition The advisory has been revoked - it doesn't affect any version of package systemd (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1710-SYSTEMD-614890
- published16 Feb 2018
- disclosed16 Feb 2018
Introduced: 16 Feb 2018
CVE-2018-1049 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-1049
- https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html
- https://security-tracker.debian.org/tracker/CVE-2018-1049
- https://bugzilla.redhat.com/show_bug.cgi?id=1534701
- https://access.redhat.com/errata/RHSA-2018:0260
- http://www.securitytracker.com/id/1041520
- https://usn.ubuntu.com/3558-1/