medium
5.9
CWE
362
Advisory Published
CVE Published
Updated

CVE-2018-1049: Race Condition

First published: Mon Jan 15 2018(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Systemd Project Systemd<234
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux Aus=7.4
Redhat Enterprise Linux Aus=7.6
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.4
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.4
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.4
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=7.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Debian Debian Linux=8.0
redhat/systemd<234
234
debian/systemd
247.3-7+deb11u5
247.3-7+deb11u6
252.30-1~deb12u2
256.6-1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1534701

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2018-1049.

  • What is the severity of CVE-2018-1049?

    The severity of CVE-2018-1049 is medium (5.9).

  • Which software versions are affected by CVE-2018-1049?

    The software versions affected by CVE-2018-1049 are systemd prior to 234 for Ubuntu and Redhat Enterprise Linux, and systemd versions up to 234 for Systemd Project.

  • How can I fix CVE-2018-1049 on Ubuntu?

    To fix CVE-2018-1049 on Ubuntu, update the systemd package to version 234-1 or higher.

  • Where can I find more information about CVE-2018-1049?

    For more information about CVE-2018-1049, you can visit the following references: [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1534701), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2018:0260), [Ubuntu Security Notice](https://usn.ubuntu.com/3558-1/).

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