drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3168-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Mi, 11. Januar 2017, 11:50 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9794
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9756
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9793
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9806 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3168-1 January 11, 2017
linux 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: Linux kernel
Details:
Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment (CS) in certain error cases. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2016-9756)
Andrey Konovalov discovered that signed integer overflows existed in the setsockopt() system call when handling the SO_SNDBUFFORCE and SO_RCVBUFFORCE options. A local attacker with the CAP_NET_ADMIN capability could use this to cause a denial of service (system crash or memory corruption). (CVE-2016-9793)
Baozeng Ding discovered a race condition that could lead to a use-after- free in the Advanced Linux Sound Architecture (ALSA) subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-9794)
Baozeng Ding discovered a double free in the netlink_dump() function in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-9806)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-3.13.0-107-generic 3.13.0-107.154 linux-image-3.13.0-107-generic-lpae 3.13.0-107.154 linux-image-3.13.0-107-lowlatency 3.13.0-107.154 linux-image-3.13.0-107-powerpc-e500 3.13.0-107.154 linux-image-3.13.0-107-powerpc-e500mc 3.13.0-107.154 linux-image-3.13.0-107-powerpc-smp 3.13.0-107.154 linux-image-3.13.0-107-powerpc64-emb 3.13.0-107.154 linux-image-3.13.0-107-powerpc64-smp 3.13.0-107.154 linux-image-generic 3.13.0.107.115 linux-image-generic-lpae 3.13.0.107.115 linux-image-lowlatency 3.13.0.107.115 linux-image-powerpc-e500 3.13.0.107.115 linux-image-powerpc-e500mc 3.13.0.107.115 linux-image-powerpc-smp 3.13.0.107.115 linux-image-powerpc64-emb 3.13.0.107.115 linux-image-powerpc64-smp 3.13.0.107.115
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-3168-1 CVE-2016-9756, CVE-2016-9793, CVE-2016-9794, CVE-2016-9806
Package Information: https://launchpad.net/ubuntu/+source/linux/3.13.0-107.154
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