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Sicherheit: Ausführen von Code mit höheren Privilegien in Linux
Aktuelle Meldungen Distributionen
Name: Ausführen von Code mit höheren Privilegien in Linux
ID: USN-3106-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS
Datum: Do, 20. Oktober 2016, 07:12
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5195

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3106-1
October 20, 2016

linux vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
- linux: Linux kernel

Details:

It was discovered that a race condition existed in the memory manager of
the Linux kernel when handling copy-on-write breakage of private read-only
memory mappings. A local attacker could use this to gain administrative
privileges.

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.4.0-45-generic 4.4.0-45.66
linux-image-4.4.0-45-generic-lpae 4.4.0-45.66
linux-image-4.4.0-45-lowlatency 4.4.0-45.66
linux-image-4.4.0-45-powerpc-e500mc 4.4.0-45.66
linux-image-4.4.0-45-powerpc-smp 4.4.0-45.66
linux-image-4.4.0-45-powerpc64-emb 4.4.0-45.66
linux-image-4.4.0-45-powerpc64-smp 4.4.0-45.66

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-3106-1
CVE-2016-5195

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.4.0-45.66


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