drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Linux (Aktualisierung)
Name: |
Zwei Probleme in Linux (Aktualisierung) |
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ID: |
USN-3169-3 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS |
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Datum: |
Mi, 11. Januar 2017, 11:53 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9793
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9794 |
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Applikationen: |
Linux |
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Update von: |
Mehrere Probleme in Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3169-3 January 11, 2017
linux-raspi2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux-raspi2: Linux kernel for Raspberry Pi 2
Details:
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)
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)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: linux-image-4.4.0-1040-raspi2 4.4.0-1040.47 linux-image-raspi2 4.4.0.1040.39
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-3169-3 http://www.ubuntu.com/usn/usn-3169-1 CVE-2016-9793, CVE-2016-9794
Package Information: https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1040.47
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