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Date: Fri, 19 Jan 2018 11:40:09 -0500 (EST)
From: Vladis Dronov <>
Subject: CVE-2018-1049: systemd: automount: access to automounted volumes
 can lock up


In systemd prior to v234 a race 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 like this may lead to denial of service, until mount points are
unmounted. This race is easily reproducible.


An upstream issue:

An upstream patch:

Best regards,
Vladis Dronov | Red Hat, Inc. | Product Security Engineer

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