drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3209-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.10 |
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Datum: |
Mi, 22. Februar 2017, 10:04 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10088
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9588
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6074 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3209-1 February 22, 2017
linux, linux-raspi2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel - linux-raspi2: Linux kernel for Raspberry Pi 2
Details:
It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write operations in certain situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-10088)
Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the #BP and #OF exceptions. A local attacker in a guest virtual machine could use this to cause a denial of service (guest OS crash). (CVE-2016-9588)
Andrey Konovalov discovered a use-after-free vulnerability in the DCCP implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2017-6074)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.10: linux-image-4.8.0-1026-raspi2 4.8.0-1026.29 linux-image-4.8.0-39-generic 4.8.0-39.42 linux-image-4.8.0-39-generic-lpae 4.8.0-39.42 linux-image-4.8.0-39-lowlatency 4.8.0-39.42 linux-image-4.8.0-39-powerpc-e500mc 4.8.0-39.42 linux-image-4.8.0-39-powerpc-smp 4.8.0-39.42 linux-image-4.8.0-39-powerpc64-emb 4.8.0-39.42 linux-image-generic 4.8.0.39.50 linux-image-generic-lpae 4.8.0.39.50 linux-image-lowlatency 4.8.0.39.50 linux-image-powerpc-e500mc 4.8.0.39.50 linux-image-powerpc-smp 4.8.0.39.50 linux-image-powerpc64-emb 4.8.0.39.50 linux-image-raspi2 4.8.0.1026.29
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-3209-1 CVE-2016-10088, CVE-2016-9588, CVE-2017-6074
Package Information: https://launchpad.net/ubuntu/+source/linux/4.8.0-39.42 https://launchpad.net/ubuntu/+source/linux-raspi2/4.8.0-1026.29
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