drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1938-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 13.04 |
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Datum: |
Fr, 6. September 2013, 08:47 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1060
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2140
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2232
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2234
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4162
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4163 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1938-1 September 05, 2013
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local could exploit this flaw to run commands as root when using the perf tool. (CVE-2013-1060)
A flaw was discovered in the Xen subsystem of the Linux kernel when it provides a guest OS read-only access to disks that support TRIM or SCSI UNMAP. A privileged user in the guest OS could exploit this flaw to destroy data on the disk. (CVE-2013-2140)
A flaw was discovered in the Linux kernel when an IPv6 socket is used to connect to an IPv4 destination. A unprivileged local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-2232)
An information leak was discovered in the IPSec key_socket implementation in the Linux kernel. An local user could exploit this flaw to examine potentially sensitive information in kernel memory. (CVE-2013-2234)
Hannes Frederic Sowa discovered a flaw in the setsockopt UDP_CORK option in the Linux kernel's IPv6 stack. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4162)
Hannes Frederic Sowa discovered a flaw in the IPv6 subsystem of the Linux kernel when the IPV6_MTU setsockopt option has been specified in combination with the UDP_CORK option. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4163)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 13.04: linux-image-3.8.0-30-generic 3.8.0-30.44
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-1938-1 CVE-2013-1060, CVE-2013-2140, CVE-2013-2232, CVE-2013-2234, CVE-2013-4162, CVE-2013-4163
Package Information: https://launchpad.net/ubuntu/+source/linux/3.8.0-30.44
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