drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1787-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 11.10 |
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Datum: |
Di, 2. April 2013, 22:55 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0914
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1767
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1792 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1787-1 April 02, 2013
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
Emese Revfy discovered that in the Linux kernel signal handlers could leak address information across an exec, making it possible to bypass ASLR (Address Space Layout Randomization). A local user could use this flaw to by pass ASLR to reliably deliver an exploit payload that would otherwise be stopped (by ASLR). (CVE-2013-0914)
A memoery use after free error was discover in the Linux kernel's tmpfs filesystem. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). (CVE-2013-1767)
Mateusz Guzik discovered a race in the Linux kernel's keyring. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-1792)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10: linux-image-3.0.0-32-generic 3.0.0-32.51 linux-image-3.0.0-32-generic-pae 3.0.0-32.51 linux-image-3.0.0-32-omap 3.0.0-32.51 linux-image-3.0.0-32-powerpc 3.0.0-32.51 linux-image-3.0.0-32-powerpc-smp 3.0.0-32.51 linux-image-3.0.0-32-powerpc64-smp 3.0.0-32.51 linux-image-3.0.0-32-server 3.0.0-32.51 linux-image-3.0.0-32-virtual 3.0.0-32.51
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1787-1 CVE-2013-0914, CVE-2013-1767, CVE-2013-1792
Package Information: https://launchpad.net/ubuntu/+source/linux/3.0.0-32.51
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