drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Linux
Name: |
Zwei Probleme in Linux |
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ID: |
USN-2462-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 10.04 LTS |
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Datum: |
Di, 13. Januar 2015, 18:52 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3610
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3611 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2462-1 January 13, 2015
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. (CVE-2014-3611)
Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers. A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. (CVE-2014-3610)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 10.04 LTS: linux-image-2.6.32-71-386 2.6.32-71.138 linux-image-2.6.32-71-generic 2.6.32-71.138 linux-image-2.6.32-71-generic-pae 2.6.32-71.138 linux-image-2.6.32-71-ia64 2.6.32-71.138 linux-image-2.6.32-71-lpia 2.6.32-71.138 linux-image-2.6.32-71-powerpc 2.6.32-71.138 linux-image-2.6.32-71-powerpc-smp 2.6.32-71.138 linux-image-2.6.32-71-powerpc64-smp 2.6.32-71.138 linux-image-2.6.32-71-preempt 2.6.32-71.138 linux-image-2.6.32-71-server 2.6.32-71.138 linux-image-2.6.32-71-sparc64 2.6.32-71.138 linux-image-2.6.32-71-sparc64-smp 2.6.32-71.138 linux-image-2.6.32-71-versatile 2.6.32-71.138 linux-image-2.6.32-71-virtual 2.6.32-71.138
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. If you use linux-restricted-modules, you have to update that package as well to get modules which work with the new kernel version. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-server, linux-powerpc), a standard system upgrade will automatically perform this as well.
References: http://www.ubuntu.com/usn/usn-2462-1 CVE-2014-3610, CVE-2014-3611
Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.32-71.138
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