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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-3018-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS
Datum: Mo, 27. Juni 2016, 23:42
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4913
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4569
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4482
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4998
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4578
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4565
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4997
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4580

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3018-2
June 27, 2016

linux-lts-trusty vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-lts-trusty: Linux hardware enablement kernel from Trusty for Precise

Details:

USN-3018-1 fixed vulnerabilities in the Linux kernel for Ubuntu
14.04 LTS. This update provides the corresponding updates for the
Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for
Ubuntu 12.04 LTS.

Jesse Hertz and Tim Newsham discovered that the Linux netfilter
implementation did not correctly perform validation when handling 32 bit
compatibility IPT_SO_SET_REPLACE events on 64 bit platforms. A local
unprivileged attacker could use this to cause a denial of service (system
crash) or execute arbitrary code with administrative privileges.
(CVE-2016-4997)

Kangjie Lu discovered an information leak in the core USB implementation in
the Linux kernel. A local attacker could use this to obtain potentially
sensitive information from kernel memory. (CVE-2016-4482)

Jann Horn discovered that the InfiniBand interfaces within the Linux kernel
could be coerced into overwriting kernel memory. A local unprivileged
attacker could use this to possibly gain administrative privileges on
systems where InifiniBand related kernel modules are loaded.
(CVE-2016-4565)

Kangjie Lu discovered an information leak in the timer handling
implementation in the Advanced Linux Sound Architecture (ALSA) subsystem of
the Linux kernel. A local attacker could use this to obtain potentially
sensitive information from kernel memory. (CVE-2016-4569, CVE-2016-4578)

Kangjie Lu discovered an information leak in the X.25 Call Request handling
in the Linux kernel. A local attacker could use this to obtain potentially
sensitive information from kernel memory. (CVE-2016-4580)

It was discovered that an information leak exists in the Rock Ridge
implementation in the Linux kernel. A local attacker who is able to mount a
malicious iso9660 file system image could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2016-4913)

Jesse Hertz and Tim Newsham discovered that the Linux netfilter
implementation did not correctly perform validation when handling
IPT_SO_SET_REPLACE events. A local unprivileged attacker could use this to
cause a denial of service (system crash) or obtain potentially sensitive
information from kernel memory. (CVE-2016-4998)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 LTS:
linux-image-3.13.0-91-generic 3.13.0-91.138~precise1
linux-image-3.13.0-91-generic-lpae 3.13.0-91.138~precise1

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
http://www.ubuntu.com/usn/usn-3018-2
http://www.ubuntu.com/usn/usn-3018-1
CVE-2016-4482, CVE-2016-4565, CVE-2016-4569, CVE-2016-4578,
CVE-2016-4580, CVE-2016-4913, CVE-2016-4997, CVE-2016-4998

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-91.138~precise1


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