drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3509-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS |
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Datum: |
Fr, 8. Dezember 2017, 06:03 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000405
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12193
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16939
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16643 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3509-1 December 07, 2017
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-snapdragon: Linux kernel for Snapdragon processors
Details:
Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939)
It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405)
Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193)
Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: linux-image-4.4.0-1012-kvm 4.4.0-1012.17 linux-image-4.4.0-103-generic 4.4.0-103.126 linux-image-4.4.0-103-generic-lpae 4.4.0-103.126 linux-image-4.4.0-103-lowlatency 4.4.0-103.126 linux-image-4.4.0-103-powerpc-e500mc 4.4.0-103.126 linux-image-4.4.0-103-powerpc-smp 4.4.0-103.126 linux-image-4.4.0-103-powerpc64-emb 4.4.0-103.126 linux-image-4.4.0-103-powerpc64-smp 4.4.0-103.126 linux-image-4.4.0-1043-aws 4.4.0-1043.52 linux-image-4.4.0-1079-raspi2 4.4.0-1079.87 linux-image-4.4.0-1081-snapdragon 4.4.0-1081.86 linux-image-aws 4.4.0.1043.45 linux-image-generic 4.4.0.103.108 linux-image-generic-lpae 4.4.0.103.108 linux-image-kvm 4.4.0.1012.12 linux-image-lowlatency 4.4.0.103.108 linux-image-powerpc-e500mc 4.4.0.103.108 linux-image-powerpc-smp 4.4.0.103.108 linux-image-powerpc64-emb 4.4.0.103.108 linux-image-powerpc64-smp 4.4.0.103.108 linux-image-raspi2 4.4.0.1079.79 linux-image-snapdragon 4.4.0.1081.73
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: https://www.ubuntu.com/usn/usn-3509-1 CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939
Package Information: https://launchpad.net/ubuntu/+source/linux/4.4.0-103.126 https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1043.52 https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1012.17 https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1079.87 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1081.86
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