drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in Linux
Name: |
Mangelnde Rechteprüfung in Linux |
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ID: |
USN-2852-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 15.10 |
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Datum: |
So, 20. Dezember 2015, 16:37 |
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Referenzen: |
http://bugs.launchpad.net/bugs/1527374 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2852-1 December 19, 2015
linux-raspi2 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.10
Summary:
The system could be made to provide access outside of namespace sandbox.
Software Description: - linux-raspi2: Linux kernel for Raspberry Pi 2
Details:
Jann Horn discovered a ptrace issue with user namespaces in the Linux kernel. The namespace owner could potentially exploit this flaw by ptracing a root owned process entering the user namespace to elevate its privileges and potentially gain access outside of the namespace. (http://bugs.launchpad.net/bugs/1527374)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 15.10: linux-image-4.2.0-1017-raspi2 4.2.0-1017.24
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-2852-1 http://bugs.launchpad.net/bugs/1527374
Package Information: https://launchpad.net/ubuntu/+source/linux-raspi2/4.2.0-1017.24
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