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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-3849-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS
Datum: Fr, 21. Dezember 2018, 07:17
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2647
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18690
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18710
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12896
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14734
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10902
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16276
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18386
Applikationen: Linux

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3849-1
December 20, 2018

linux vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel

Details:

It was discovered that a NULL pointer dereference existed in the keyring
subsystem of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash). (CVE-2017-2647)

It was discovered that a race condition existed in the raw MIDI driver for
the Linux kernel, leading to a double free vulnerability. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2018-10902)

It was discovered that an integer overrun vulnerability existed in the
POSIX timers implementation in the Linux kernel. A local attacker could use
this to cause a denial of service. (CVE-2018-12896)

Noam Rathaus discovered that a use-after-free vulnerability existed in the
Infiniband implementation in the Linux kernel. An attacker could use this
to cause a denial of service (system crash). (CVE-2018-14734)

It was discovered that the YUREX USB device driver for the Linux kernel did
not properly restrict user space reads or writes. A physically proximate
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2018-16276)

Tetsuo Handa discovered a logic error in the TTY subsystem of the Linux
kernel. A local attacker with access to pseudo terminal devices could use
this to cause a denial of service. (CVE-2018-18386)

Kanda Motohiro discovered that writing extended attributes to an XFS file
system in the Linux kernel in certain situations could cause an error
condition to occur. A local attacker could use this to cause a denial of
service. (CVE-2018-18690)

It was discovered that an integer overflow vulnerability existed in the
CDROM driver of the Linux kernel. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2018-18710)

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.13.0-164-generic 3.13.0-164.214
linux-image-3.13.0-164-generic-lpae 3.13.0-164.214
linux-image-3.13.0-164-lowlatency 3.13.0-164.214
linux-image-3.13.0-164-powerpc-e500 3.13.0-164.214
linux-image-3.13.0-164-powerpc-e500mc 3.13.0-164.214
linux-image-3.13.0-164-powerpc-smp 3.13.0-164.214
linux-image-3.13.0-164-powerpc64-emb 3.13.0-164.214
linux-image-3.13.0-164-powerpc64-smp 3.13.0-164.214
linux-image-generic 3.13.0.164.174
linux-image-generic-lpae 3.13.0.164.174
linux-image-lowlatency 3.13.0.164.174
linux-image-powerpc-e500 3.13.0.164.174
linux-image-powerpc-e500mc 3.13.0.164.174
linux-image-powerpc-smp 3.13.0.164.174
linux-image-powerpc64-emb 3.13.0.164.174
linux-image-powerpc64-smp 3.13.0.164.174

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:
https://usn.ubuntu.com/usn/usn-3849-1
CVE-2017-2647, CVE-2018-10902, CVE-2018-12896, CVE-2018-14734,
CVE-2018-16276, CVE-2018-18386, CVE-2018-18690, CVE-2018-18710

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-164.214


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