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Sicherheit: Denial of Service in systemd
Aktuelle Meldungen Distributionen
Name: Denial of Service in systemd
ID: SUSE-SU-2016:2476-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Desktop 12-SP1, SUSE Linux Enterprise Software Development Kit 12-SP1, SUSE Linux Enterprise Server 12-SP1
Datum: Sa, 8. Oktober 2016, 00:10
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7796

Originalnachricht

   SUSE Security Update: Security update for systemd
______________________________________________________________________________

Announcement ID: SUSE-SU-2016:2476-1
Rating: important
References: #1000435 #1001765 #954374 #970293 #982210
#982211 #982251 #987173 #987857 #990074 #996269

Cross-References: CVE-2016-7796
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP1
SUSE Linux Enterprise Server 12-SP1
SUSE Linux Enterprise Desktop 12-SP1
______________________________________________________________________________

An update that solves one vulnerability and has 10 fixes is
now available.

Description:


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". (bsc#970293)
- Save /run/systemd/users/UID before starting user@.service. (bsc#996269)
- Make sure that /var/lib/systemd/sysv-convert/database is always
initialized. (bsc#982211)
- Remove daylight saving time handling and tzfile parser. (bsc#990074)
- Make sure directory watch is started before cryptsetup. (bsc#987173)
- Introduce sd_pid_notify() and sd_pid_notifyf() APIs. (bsc#987857)
- 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)


Patch Instructions:

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".


Package List:

- SUSE Linux Enterprise Software Development Kit 12-SP1 (ppc64le s390x
x86_64):

libgudev-1_0-devel-210-114.1
libudev-devel-210-114.1
systemd-debuginfo-210-114.1
systemd-debugsource-210-114.1
systemd-devel-210-114.1
typelib-1_0-GUdev-1_0-210-114.1

- SUSE Linux Enterprise Server 12-SP1 (ppc64le s390x x86_64):

libgudev-1_0-0-210-114.1
libgudev-1_0-0-debuginfo-210-114.1
libudev1-210-114.1
libudev1-debuginfo-210-114.1
systemd-210-114.1
systemd-debuginfo-210-114.1
systemd-debugsource-210-114.1
systemd-sysvinit-210-114.1
udev-210-114.1
udev-debuginfo-210-114.1

- SUSE Linux Enterprise Server 12-SP1 (s390x x86_64):

libgudev-1_0-0-32bit-210-114.1
libgudev-1_0-0-debuginfo-32bit-210-114.1
libudev1-32bit-210-114.1
libudev1-debuginfo-32bit-210-114.1
systemd-32bit-210-114.1
systemd-debuginfo-32bit-210-114.1

- SUSE Linux Enterprise Server 12-SP1 (noarch):

systemd-bash-completion-210-114.1

- SUSE Linux Enterprise Desktop 12-SP1 (noarch):

systemd-bash-completion-210-114.1

- SUSE Linux Enterprise Desktop 12-SP1 (x86_64):

libgudev-1_0-0-210-114.1
libgudev-1_0-0-32bit-210-114.1
libgudev-1_0-0-debuginfo-210-114.1
libgudev-1_0-0-debuginfo-32bit-210-114.1
libudev1-210-114.1
libudev1-32bit-210-114.1
libudev1-debuginfo-210-114.1
libudev1-debuginfo-32bit-210-114.1
systemd-210-114.1
systemd-32bit-210-114.1
systemd-debuginfo-210-114.1
systemd-debuginfo-32bit-210-114.1
systemd-debugsource-210-114.1
systemd-sysvinit-210-114.1
udev-210-114.1
udev-debuginfo-210-114.1


References:

https://www.suse.com/security/cve/CVE-2016-7796.html
https://bugzilla.suse.com/1000435
https://bugzilla.suse.com/1001765
https://bugzilla.suse.com/954374
https://bugzilla.suse.com/970293
https://bugzilla.suse.com/982210
https://bugzilla.suse.com/982211
https://bugzilla.suse.com/982251
https://bugzilla.suse.com/987173
https://bugzilla.suse.com/987857
https://bugzilla.suse.com/990074
https://bugzilla.suse.com/996269

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