drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen von Code mit höheren Privilegien in Linux (Aktualisierung)
Name: |
Ausführen von Code mit höheren Privilegien in Linux (Aktualisierung) |
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ID: |
USN-2644-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Di, 23. Juni 2015, 08:34 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1328 |
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Applikationen: |
Linux |
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Update von: |
Ausführen von Code mit höheren Privilegien in Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2644-2 June 21, 2015
linux-lts-utopic regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
The system could be made to crash under certain conditions.
Software Description: - linux-lts-utopic: Linux hardware enablement kernel from Utopic
Details:
The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic.
We apologize for the inconvenience.
Original advisory details:
Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-3.16.0-41-generic 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-generic-lpae 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-lowlatency 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-powerpc-e500mc 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-powerpc-smp 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-powerpc64-emb 3.16.0-41.57~14.04.1 linux-image-3.16.0-41-powerpc64-smp 3.16.0-41.57~14.04.1
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-2644-2 http://www.ubuntu.com/usn/usn-2644-1 http://bugs.launchpad.net/bugs/1465998
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-utopic/3.16.0-41.57~14.04.1
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