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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-3071-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS
Datum: Mo, 29. August 2016, 23:19
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5244
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5696
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5828
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5829
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5728

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3071-2
August 29, 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-3071-1 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.

Kangjie Lu discovered an information leak in the Reliable Datagram Sockets
(RDS) implementation in the Linux kernel. A local attacker could use this
to obtain potentially sensitive information from kernel memory.
(CVE-2016-5244)

Yue Cao et al discovered a flaw in the TCP implementation's handling of
challenge acks in the Linux kernel. A remote attacker could use this to
cause a denial of service (reset connection) or inject content into an TCP
stream. (CVE-2016-5696)

Pengfei Wang discovered a race condition in the MIC VOP driver in the Linux
kernel. A local attacker could use this to cause a denial of service
(system crash) or obtain potentially sensitive information from kernel
memory. (CVE-2016-5728)

Cyril Bur discovered that on PowerPC platforms, the Linux kernel mishandled
transactional memory state on exec(). A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2016-5828)

It was discovered that a heap based buffer overflow existed in the USB HID
driver in the Linux kernel. A local attacker could use this cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2016-5829)

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.13.0-95-generic 3.13.0-95.142~precise1
linux-image-3.13.0-95-generic-lpae 3.13.0-95.142~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-3071-2
http://www.ubuntu.com/usn/usn-3071-1
CVE-2016-5244, CVE-2016-5696, CVE-2016-5728, CVE-2016-5828,
CVE-2016-5829

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-95.142~precise1


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