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CVE-2018-1049

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-3558-1
Posted Feb 6, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3558-1 - Karim Hossen and Thomas Imbert and Nelson William Gamazo Sanchez independently discovered that systemd-resolved incorrectly handled certain DNS responses. A remote attacker could possibly use this issue to cause systemd to temporarily stop responding, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. It was discovered that systemd incorrectly handled automounted volumes. A local attacker could possibly use this issue to cause applications to hang, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, local
systems | linux, ubuntu
advisories | CVE-2017-15908, CVE-2018-1049
SHA-256 | 40ed4bd213d015adbf8700ceb28be23886b7e4626e9bc4280f7438442773262b
Red Hat Security Advisory 2018-0260-01
Posted Jan 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0260-01 - The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-1049
SHA-256 | 4ac69c2811c510395540bcc2723c9abe81f7fcdb13eead05595f16ce66d0dd85
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