drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in Linux
Name: |
Denial of Service in Linux |
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ID: |
USN-3256-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10 |
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Datum: |
Mi, 5. April 2017, 07:22 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7308 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3256-1 April 05, 2017
linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon, linux-ti-omap4 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
The system could be made to crash under certain conditions.
Software Description: - linux: Linux kernel - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-gke: Linux kernel for Google Container Engine (GKE) systems - linux-snapdragon: Linux kernel for Snapdragon Processors - linux-ti-omap4: Linux kernel for OMAP4
Details:
Andrey Konovalov discovered that the AF_PACKET implementation in the Linux kernel did not properly validate certain block-size data. 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 16.10: linux-image-4.8.0-1033-raspi2 4.8.0-1033.36 linux-image-4.8.0-46-generic 4.8.0-46.49 linux-image-4.8.0-46-generic-lpae 4.8.0-46.49 linux-image-4.8.0-46-lowlatency 4.8.0-46.49 linux-image-4.8.0-46-powerpc-e500mc 4.8.0-46.49 linux-image-4.8.0-46-powerpc-smp 4.8.0-46.49 linux-image-4.8.0-46-powerpc64-emb 4.8.0-46.49 linux-image-generic 4.8.0.46.58 linux-image-generic-lpae 4.8.0.46.58 linux-image-lowlatency 4.8.0.46.58 linux-image-powerpc-e500mc 4.8.0.46.58 linux-image-powerpc-smp 4.8.0.46.58 linux-image-powerpc64-smp 4.8.0.46.58 linux-image-raspi2 4.8.0.1033.37
Ubuntu 16.04 LTS: linux-image-4.4.0-1010-gke 4.4.0-1010.10 linux-image-4.4.0-1013-aws 4.4.0-1013.22 linux-image-4.4.0-1052-raspi2 4.4.0-1052.59 linux-image-4.4.0-1055-snapdragon 4.4.0-1055.59 linux-image-4.4.0-72-generic 4.4.0-72.93 linux-image-4.4.0-72-generic-lpae 4.4.0-72.93 linux-image-4.4.0-72-lowlatency 4.4.0-72.93 linux-image-4.4.0-72-powerpc-e500mc 4.4.0-72.93 linux-image-4.4.0-72-powerpc-smp 4.4.0-72.93 linux-image-4.4.0-72-powerpc64-smp 4.4.0-72.93 linux-image-aws 4.4.0.1013.16 linux-image-generic 4.4.0.72.78 linux-image-generic-lpae 4.4.0.72.78 linux-image-gke 4.4.0.1010.12 linux-image-lowlatency 4.4.0.72.78 linux-image-powerpc-e500mc 4.4.0.72.78 linux-image-powerpc-smp 4.4.0.72.78 linux-image-powerpc64-smp 4.4.0.72.78 linux-image-powerpc64-smp-lts-utopic 4.4.0.72.78 linux-image-powerpc64-smp-lts-vivid 4.4.0.72.78 linux-image-powerpc64-smp-lts-wily 4.4.0.72.78 linux-image-powerpc64-smp-lts-xenial 4.4.0.72.78 linux-image-raspi2 4.4.0.1052.53 linux-image-snapdragon 4.4.0.1055.48
Ubuntu 14.04 LTS: linux-image-3.13.0-116-generic 3.13.0-116.163 linux-image-3.13.0-116-generic-lpae 3.13.0-116.163 linux-image-3.13.0-116-lowlatency 3.13.0-116.163 linux-image-3.13.0-116-powerpc-e500 3.13.0-116.163 linux-image-3.13.0-116-powerpc-e500mc 3.13.0-116.163 linux-image-3.13.0-116-powerpc-smp 3.13.0-116.163 linux-image-3.13.0-116-powerpc64-smp 3.13.0-116.163 linux-image-generic 3.13.0.116.126 linux-image-generic-lpae 3.13.0.116.126 linux-image-lowlatency 3.13.0.116.126 linux-image-powerpc-e500 3.13.0.116.126 linux-image-powerpc-e500mc 3.13.0.116.126 linux-image-powerpc-smp 3.13.0.116.126 linux-image-powerpc64-smp 3.13.0.116.126
Ubuntu 12.04 LTS: linux-image-3.2.0-126-generic 3.2.0-126.169 linux-image-3.2.0-126-generic-pae 3.2.0-126.169 linux-image-3.2.0-126-highbank 3.2.0-126.169 linux-image-3.2.0-126-omap 3.2.0-126.169 linux-image-3.2.0-126-powerpc-smp 3.2.0-126.169 linux-image-3.2.0-126-powerpc64-smp 3.2.0-126.169 linux-image-3.2.0-126-virtual 3.2.0-126.169 linux-image-3.2.0-1504-omap4 3.2.0-1504.131 linux-image-generic 3.2.0.126.141 linux-image-generic-pae 3.2.0.126.141 linux-image-highbank 3.2.0.126.141 linux-image-omap 3.2.0.126.141 linux-image-omap4 3.2.0.1504.99 linux-image-powerpc-smp 3.2.0.126.141 linux-image-powerpc64-smp 3.2.0.126.141 linux-image-virtual 3.2.0.126.141
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-3256-1 CVE-2017-7308
Package Information: https://launchpad.net/ubuntu/+source/linux/4.8.0-46.49 https://launchpad.net/ubuntu/+source/linux-raspi2/4.8.0-1033.36 https://launchpad.net/ubuntu/+source/linux/4.4.0-72.93 https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1013.22 https://launchpad.net/ubuntu/+source/linux-gke/4.4.0-1010.10 https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1052.59 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1055.59 https://launchpad.net/ubuntu/+source/linux/3.13.0-116.163 https://launchpad.net/ubuntu/+source/linux/3.2.0-126.169 https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1504.131
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