drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in Linux (Aktualisierung)
Name: |
Pufferüberlauf in Linux (Aktualisierung) |
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ID: |
USN-3128-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Fr, 11. November 2016, 11:45 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7042 |
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Applikationen: |
Linux |
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Update von: |
Pufferüberlauf in Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3128-2 November 11, 2016
linux-lts-xenial vulnerability ==========================================================================
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-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
USN-3128-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.
Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service (system crash).
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-4.4.0-47-generic 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-generic-lpae 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-lowlatency 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-powerpc-e500mc 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-powerpc-smp 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-powerpc64-emb 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-powerpc64-smp 4.4.0-47.68~14.04.1 linux-image-generic-lpae-lts-xenial 4.4.0.47.34 linux-image-generic-lts-xenial 4.4.0.47.34 linux-image-lowlatency-lts-xenial 4.4.0.47.34 linux-image-powerpc-e500mc-lts-xenial 4.4.0.47.34 linux-image-powerpc-smp-lts-xenial 4.4.0.47.34 linux-image-powerpc64-emb-lts-xenial 4.4.0.47.34 linux-image-powerpc64-smp-lts-xenial 4.4.0.47.34
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-3128-2 http://www.ubuntu.com/usn/usn-3128-1 CVE-2016-7042
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-47.68~14.04.1
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