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-2872-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Mi, 20. Januar 2016, 07:07 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0728 |
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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-2872-2 January 19, 2016
linux-lts-wily vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
The system could be made to crash or run programs as an administrator.
Software Description: - linux-lts-wily: Linux hardware enablement kernel from Wily
Details:
Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-4.2.0-25-generic 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-generic-lpae 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-lowlatency 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-powerpc-e500mc 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-powerpc-smp 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-powerpc64-emb 4.2.0-25.30~14.04.1 linux-image-4.2.0-25-powerpc64-smp 4.2.0-25.30~14.04.1
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-2872-2 http://www.ubuntu.com/usn/usn-2872-1 CVE-2016-0728
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-wily/4.2.0-25.30~14.04.1
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