drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-2989-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Mi, 1. Juni 2016, 08:41 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4485
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3955
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4486
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4004
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2187
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3951
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3672
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2117
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4581
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2069 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2989-1 June 01, 2016
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:
Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-2117)
Jason A. Donenfeld discovered multiple out-of-bounds reads in the OZMO USB over wifi device drivers in the Linux kernel. A remote attacker could use this to cause a denial of service (system crash) or obtain potentially sensitive information from kernel memory. (CVE-2015-4004)
Andy Lutomirski discovered a race condition in the Linux kernel's translation lookaside buffer (TLB) handling of flush events. A local attacker could use this to cause a denial of service or possibly leak sensitive information. (CVE-2016-2069)
Ralf Spenneberg discovered that the Linux kernel's GTCO digitizer USB device driver did not properly validate endpoint descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2187)
Hector Marco and Ismael Ripoll discovered that the Linux kernel would improperly disable Address Space Layout Randomization (ASLR) for x86 processes running in 32 bit mode if stack-consumption resource limits were disabled. A local attacker could use this to make it easier to exploit an existing vulnerability in a setuid/setgid program. (CVE-2016-3672)
Andrey Konovalov discovered that the CDC Network Control Model USB driver in the Linux kernel did not cancel work events queued if a later error occurred, resulting in a use-after-free. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3951)
It was discovered that an out-of-bounds write could occur when handling incoming packets in the USB/IP implementation in the Linux kernel. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-3955)
Kangjie Lu discovered an information leak in the ANSI/IEEE 802.2 LLC type 2 Support implementations in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4485)
Kangjie Lu discovered an information leak in the routing netlink socket interface (rtnetlink) implementation in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4486)
It was discovered that in some situations the Linux kernel did not handle propagated mounts correctly. A local unprivileged attacker could use this to cause a denial of service (system crash). (CVE-2016-4581)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-3.13.0-87-generic 3.13.0-87.133 linux-image-3.13.0-87-generic-lpae 3.13.0-87.133 linux-image-3.13.0-87-lowlatency 3.13.0-87.133 linux-image-3.13.0-87-powerpc-e500 3.13.0-87.133 linux-image-3.13.0-87-powerpc-e500mc 3.13.0-87.133 linux-image-3.13.0-87-powerpc-smp 3.13.0-87.133 linux-image-3.13.0-87-powerpc64-emb 3.13.0-87.133 linux-image-3.13.0-87-powerpc64-smp 3.13.0-87.133
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-2989-1 CVE-2015-4004, CVE-2016-2069, CVE-2016-2117, CVE-2016-2187, CVE-2016-3672, CVE-2016-3951, CVE-2016-3955, CVE-2016-4485, CVE-2016-4486, CVE-2016-4581
Package Information: https://launchpad.net/ubuntu/+source/linux/3.13.0-87.133
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