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Sicherheit: Zwei Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Linux
ID: USN-1607-1
Distribution: Ubuntu
Plattformen: Ubuntu 11.10
Datum: Fr, 12. Oktober 2012, 12:11
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2127
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2137
Applikationen: Linux

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-1607-1
October 11, 2012

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

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

- Ubuntu 11.10

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Vadim Ponomarev discovered a flaw in the Linux kernel causing a reference
leak when PID namespaces are used. A remote attacker could exploit this
flaw causing a denial of service. (CVE-2012-2127)

A flaw was found in how the Linux kernel's KVM (Kernel-based Virtual
Machine) subsystem handled MSI (Message Signaled Interrupts). A local
unprivileged user could exploit this flaw to cause a denial of service or
potentially elevate privileges. (CVE-2012-2137)

Update instructions:

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

Ubuntu 11.10:
linux-image-3.0.0-26-generic 3.0.0-26.43
linux-image-3.0.0-26-generic-pae 3.0.0-26.43
linux-image-3.0.0-26-omap 3.0.0-26.43
linux-image-3.0.0-26-powerpc 3.0.0-26.43
linux-image-3.0.0-26-powerpc-smp 3.0.0-26.43
linux-image-3.0.0-26-powerpc64-smp 3.0.0-26.43
linux-image-3.0.0-26-server 3.0.0-26.43
linux-image-3.0.0-26-virtual 3.0.0-26.43

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

References:
http://www.ubuntu.com/usn/usn-1607-1
CVE-2012-2127, CVE-2012-2137

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.0.0-26.43


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