drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1775-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 10.04 LTS |
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Datum: |
Sa, 23. März 2013, 08:34 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0268
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0309
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1773 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1775-1 March 22, 2013
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
A flaw was reported in the permission checks done by the Linux kernel for /dev/cpu/*/msr. A local root user with all capabilities dropped could exploit this flaw to execute code with full root capabilities. (CVE-2013-0268)
A flaw was discovered in the Linux kernels handling of memory ranges with PROT_NONE when transparent hugepages are in use. An unprivileged local user could exploit this flaw to cause a denial of service (crash the system). (CVE-2013-0309)
A flaw was discovered on the Linux kernel's VFAT filesystem driver when a disk is mounted with the utf8 option (this is the default on Ubuntu). On a system where disks/images can be auto-mounted or a FAT filesystem is mounted an unprivileged user can exploit the flaw to gain root privileges. (CVE-2013-1773)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 10.04 LTS: linux-image-2.6.32-46-386 2.6.32-46.105 linux-image-2.6.32-46-generic 2.6.32-46.105 linux-image-2.6.32-46-generic-pae 2.6.32-46.105 linux-image-2.6.32-46-ia64 2.6.32-46.105 linux-image-2.6.32-46-lpia 2.6.32-46.105 linux-image-2.6.32-46-powerpc 2.6.32-46.105 linux-image-2.6.32-46-powerpc-smp 2.6.32-46.105 linux-image-2.6.32-46-powerpc64-smp 2.6.32-46.105 linux-image-2.6.32-46-preempt 2.6.32-46.105 linux-image-2.6.32-46-server 2.6.32-46.105 linux-image-2.6.32-46-sparc64 2.6.32-46.105 linux-image-2.6.32-46-sparc64-smp 2.6.32-46.105 linux-image-2.6.32-46-versatile 2.6.32-46.105 linux-image-2.6.32-46-virtual 2.6.32-46.105
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-1775-1 CVE-2013-0268, CVE-2013-0309, CVE-2013-1773
Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.32-46.105
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