drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3099-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Di, 11. Oktober 2016, 10:54 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6480
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6828
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7039 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3099-2 October 11, 2016
linux-lts-xenial vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
USN-3099-1 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.
VladimÃr BeneÅ¡ discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload (GRO) processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service (system crash). (CVE-2016-7039)
Marco Grassi discovered a use-after-free condition could occur in the TCP retransmit queue handling code in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-6828)
Pengfei Wang discovered a race condition in the Adaptec AAC RAID controller driver in the Linux kernel when handling ioctl()s. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-6480)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-4.4.0-42-generic 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-generic-lpae 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-lowlatency 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-powerpc-e500mc 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-powerpc-smp 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-powerpc64-emb 4.4.0-42.62~14.04.1 linux-image-4.4.0-42-powerpc64-smp 4.4.0-42.62~14.04.1
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-3099-2 http://www.ubuntu.com/usn/usn-3099-1 CVE-2016-6480, CVE-2016-6828, CVE-2016-7039
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-42.62~14.04.1
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