drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux (Aktualisierung)
Name: |
Mehrere Probleme in Linux (Aktualisierung) |
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ID: |
USN-2948-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS |
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Datum: |
Di, 12. April 2016, 06:36 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2847
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2085
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8812
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2782
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7833
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2550
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0723
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7566 |
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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-2948-2 April 11, 2016
linux-lts-utopic regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
USN 2948-1 introduced a regression in the Ubuntu 14.10 Linux kernel backported to Ubuntu 14.04 LTS.
Software Description: - linux-lts-utopic: Linux hardware enablement kernel from Utopic for Trusty
Details:
USN-2948-1 fixed vulnerabilities in the Ubuntu 14.10 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect reference counting fix in the radeon driver introduced a regression that could cause a system crash. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Ralf Spenneberg discovered that the USB driver for Clie devices in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7566) Ralf Spenneberg discovered that the usbvision driver in the Linux kernel did not properly sanity check the interfaces and endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7833) Venkatesh Pottem discovered a use-after-free vulnerability in the Linux kernel's CXGB3 driver. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2015-8812) It was discovered that a race condition existed in the ioctl handler for the TTY driver in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2016-0723) Xiaofei Rex Guo discovered a timing side channel vulnerability in the Linux Extended Verification Module (EVM). An attacker could use this to affect system integrity. (CVE-2016-2085) David Herrmann discovered that the Linux kernel incorrectly accounted file descriptors to the original opener for in-flight file descriptors sent over a unix domain socket. A local attacker could use this to cause a denial of service (resource exhaustion). (CVE-2016-2550) Ralf Spenneberg discovered that the USB driver for Treo devices in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2016-2782) It was discovered that the Linux kernel did not enforce limits on the amount of data allocated to buffer pipes. A local attacker could use this to cause a denial of service (resource exhaustion). (CVE-2016-2847)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 LTS: linux-image-3.16.0-70-generic 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-generic-lpae 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-lowlatency 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-powerpc-e500mc 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-powerpc-smp 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-powerpc64-emb 3.16.0-70.90~14.04.1 linux-image-3.16.0-70-powerpc64-smp 3.16.0-70.90~14.04.1
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-2948-2 http://www.ubuntu.com/usn/usn-2948-1 https://bugs.launchpad.net/bugs/1566726
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-utopic/3.16.0-70.90~14.04.1
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