drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-2662-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 LTS |
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Datum: |
Di, 7. Juli 2015, 15:00 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9710
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1420
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4001
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4002
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4003
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4167 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2662-1 July 07, 2015
linux-lts-trusty vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux-lts-trusty: Linux hardware enablement kernel from Trusty
Details:
Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. (CVE-2014-9710)
A race condition was discovered in the Linux kernel's file_handle size verification. A local user could exploit this flaw to read potentially sensative memory locations. (CVE-2015-1420)
A underflow error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially execute arbitrary code via a specially crafted packet. (CVE-2015-4001)
A bounds check error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially execute arbitrary code via a specially crafted packet. (CVE-2015-4002)
A division by zero error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-4003)
Carl H Lunde discovered missing sanity checks in the the Linux kernel's UDF file system (CONFIG_UDF_FS). A local attacker could exploit this flaw to cause a denial of service (system crash) by using a corrupted file system image. (CVE-2015-4167)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 LTS: linux-image-3.13.0-57-generic 3.13.0-57.95~precise1 linux-image-3.13.0-57-generic-lpae 3.13.0-57.95~precise1
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. If you use linux-restricted-modules, you have to update that package as well to get modules which work with the new kernel version. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-server, linux-powerpc), a standard system upgrade will automatically perform this as well.
References: http://www.ubuntu.com/usn/usn-2662-1 CVE-2014-9710, CVE-2015-1420, CVE-2015-4001, CVE-2015-4002, CVE-2015-4003, CVE-2015-4167
Package Information: https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-57.95~precise1
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