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Sicherheit: Denial of Service in systemd
Aktuelle Meldungen Distributionen
Name: Denial of Service in systemd
ID: openSUSE-SU-2016:2522-1
Distribution: SUSE
Plattformen: SUSE openSUSE 13.2
Datum: Do, 13. Oktober 2016, 12:33
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7796

Originalnachricht

   openSUSE Security Update: Security update for systemd
______________________________________________________________________________

Announcement ID: openSUSE-SU-2016:2522-1
Rating: important
References: #1000435 #1001765 #954374 #970293 #982211
#996269
Cross-References: CVE-2016-7796
Affected Products:
openSUSE 13.2
______________________________________________________________________________

An update that solves one vulnerability and has 5 fixes is
now available.

Description:

This update for systemd fixes the following issues:

- 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)


Patch Instructions:

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

- openSUSE 13.2:

zypper in -t patch openSUSE-2016-1184=1

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


Package List:

- openSUSE 13.2 (i586 x86_64):

libgudev-1_0-0-210.1475218254.1e76ce0-25.48.1
libgudev-1_0-0-debuginfo-210.1475218254.1e76ce0-25.48.1
libgudev-1_0-devel-210.1475218254.1e76ce0-25.48.1
libudev-devel-210.1475218254.1e76ce0-25.48.1
libudev-mini-devel-210.1475218254.1e76ce0-25.48.1
libudev-mini1-210.1475218254.1e76ce0-25.48.1
libudev-mini1-debuginfo-210.1475218254.1e76ce0-25.48.1
libudev1-210.1475218254.1e76ce0-25.48.1
libudev1-debuginfo-210.1475218254.1e76ce0-25.48.1
nss-myhostname-210.1475218254.1e76ce0-25.48.1
nss-myhostname-debuginfo-210.1475218254.1e76ce0-25.48.1
systemd-210.1475218254.1e76ce0-25.48.1
systemd-debuginfo-210.1475218254.1e76ce0-25.48.1
systemd-debugsource-210.1475218254.1e76ce0-25.48.1
systemd-devel-210.1475218254.1e76ce0-25.48.1
systemd-journal-gateway-210.1475218254.1e76ce0-25.48.1
systemd-journal-gateway-debuginfo-210.1475218254.1e76ce0-25.48.1
systemd-logger-210.1475218254.1e76ce0-25.48.1
systemd-mini-210.1475218254.1e76ce0-25.48.1
systemd-mini-debuginfo-210.1475218254.1e76ce0-25.48.1
systemd-mini-debugsource-210.1475218254.1e76ce0-25.48.1
systemd-mini-devel-210.1475218254.1e76ce0-25.48.1
systemd-mini-sysvinit-210.1475218254.1e76ce0-25.48.1
systemd-sysvinit-210.1475218254.1e76ce0-25.48.1
typelib-1_0-GUdev-1_0-210.1475218254.1e76ce0-25.48.1
udev-210.1475218254.1e76ce0-25.48.1
udev-debuginfo-210.1475218254.1e76ce0-25.48.1
udev-mini-210.1475218254.1e76ce0-25.48.1
udev-mini-debuginfo-210.1475218254.1e76ce0-25.48.1

- openSUSE 13.2 (noarch):

systemd-bash-completion-210.1475218254.1e76ce0-25.48.1

- openSUSE 13.2 (x86_64):

libgudev-1_0-0-32bit-210.1475218254.1e76ce0-25.48.1
libgudev-1_0-0-debuginfo-32bit-210.1475218254.1e76ce0-25.48.1
libudev1-32bit-210.1475218254.1e76ce0-25.48.1
libudev1-debuginfo-32bit-210.1475218254.1e76ce0-25.48.1
nss-myhostname-32bit-210.1475218254.1e76ce0-25.48.1
nss-myhostname-debuginfo-32bit-210.1475218254.1e76ce0-25.48.1
systemd-32bit-210.1475218254.1e76ce0-25.48.1
systemd-debuginfo-32bit-210.1475218254.1e76ce0-25.48.1


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/982211
https://bugzilla.suse.com/996269

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