SUSE SLED12 / SLES12 Security Update : systemd (SUSE-SU-2016:2476-1)

Medium Nessus Plugin ID 93937


The remote SUSE host is missing one or more security updates.


This update for systemd fixes the following security issue :

- CVE-2016-7796: A zero-length message received over systemd's notification socket could make manager_dispatch_notify_fd() return an error and, as a side effect, disable the notification handler completely. As the notification socket is world-writable, this could have allowed a local user to perform a denial-of-service attack against systemd.
(bsc#1001765) Additionally, the following non-security fixes are included :

- Fix HMAC calculation when appending a data object to journal. (bsc#1000435)

- Never accept file descriptors from file systems with mandatory locking enabled. (bsc#954374)

- Do not warn about missing install info with 'preset'.

- Save /run/systemd/users/UID before starting [email protected] (bsc#996269)

- Make sure that /var/lib/systemd/sysv-convert/database is always initialized. (bsc#982211)

- Remove daylight saving time handling and tzfile parser.

- Make sure directory watch is started before cryptsetup.

- Introduce sd_pid_notify() and sd_pid_notifyf() APIs.

- Set KillMode=mixed for our daemons that fork worker processes.

- Add nosuid and nodev options to tmp.mount.

- Don't start console-getty.service when /dev/console is missing. (bsc#982251)

- Correct segmentation fault in udev/path_id due to missing NULL check. (bsc#982210)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-1448=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1448=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-1448=1

To bring your system up-to-date, use 'zypper patch'.

See Also

Plugin Details

Severity: Medium

ID: 93937

File Name: suse_SU-2016-2476-1.nasl

Version: $Revision: 2.3 $

Type: local

Agent: unix

Published: 2016/10/10

Modified: 2016/12/27

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.9

Temporal Score: 4

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 5.5

Temporal Score: 5.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libgudev-1_0-0, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-32bit, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-debuginfo, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-debuginfo-32bit, p-cpe:/a:novell:suse_linux:libudev1, p-cpe:/a:novell:suse_linux:libudev1-32bit, p-cpe:/a:novell:suse_linux:libudev1-debuginfo, p-cpe:/a:novell:suse_linux:libudev1-debuginfo-32bit, p-cpe:/a:novell:suse_linux:systemd, p-cpe:/a:novell:suse_linux:systemd-32bit, p-cpe:/a:novell:suse_linux:systemd-debuginfo, p-cpe:/a:novell:suse_linux:systemd-debuginfo-32bit, p-cpe:/a:novell:suse_linux:systemd-debugsource, p-cpe:/a:novell:suse_linux:systemd-sysvinit, p-cpe:/a:novell:suse_linux:udev, p-cpe:/a:novell:suse_linux:udev-debuginfo, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/10/07

Reference Information

CVE: CVE-2016-7796

OSVDB: 144920