drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-3190-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.10 |
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Datum: |
Fr, 3. Februar 2017, 12:55 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10150
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8632
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10147
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9777
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8399 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3190-1 February 03, 2017
linux 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
Details:
Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon (mcryptd) in the Linux kernel did not properly handle being invoked with incompatible algorithms. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-10147)
It was discovered that a use-after-free existed in the KVM susbsystem of the Linux kernel when creating devices. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-10150)
Qidan He discovered that the ICMP implementation in the Linux kernel did not properly check the size of an ICMP header. A local attacker with CAP_NET_ADMIN could use this to expose sensitive information. (CVE-2016-8399)
Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build() function in the Linux kernel. A local attacker could use to cause a denial of service (system crash) or possible execute arbitrary code with administrative privileges. (CVE-2016-8632)
Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly restrict the VCPU index when I/O APIC is enabled, An attacker in a guest VM could use this to cause a denial of service (system crash) or possibly gain privileges in the host OS. (CVE-2016-9777)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.10: linux-image-4.8.0-37-generic 4.8.0-37.39 linux-image-4.8.0-37-generic-lpae 4.8.0-37.39 linux-image-4.8.0-37-lowlatency 4.8.0-37.39 linux-image-4.8.0-37-powerpc-e500mc 4.8.0-37.39 linux-image-4.8.0-37-powerpc-smp 4.8.0-37.39 linux-image-4.8.0-37-powerpc64-emb 4.8.0-37.39 linux-image-generic 4.8.0.37.46 linux-image-generic-lpae 4.8.0.37.46 linux-image-lowlatency 4.8.0.37.46 linux-image-powerpc-e500mc 4.8.0.37.46 linux-image-powerpc-smp 4.8.0.37.46 linux-image-powerpc64-emb 4.8.0.37.46
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-3190-1 CVE-2016-10147, CVE-2016-10150, CVE-2016-8399, CVE-2016-8632, CVE-2016-9777
Package Information: https://launchpad.net/ubuntu/+source/linux/4.8.0-37.39
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