drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1405-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 11.10 |
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Datum: |
Di, 27. März 2012, 15:08 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3347
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4127
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4347
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0045
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1090
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1097
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1146 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1405-1 March 27, 2012
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:
Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. (CVE-2011-3347)
Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. (CVE-2011-4127)
Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. (CVE-2011-4347)
Stephan BÀrwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. (CVE-2012-0045)
A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. (CVE-2012-1090)
H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system. (CVE-2012-1097)
A flaw was discovered in the Linux kernel's cgroups subset. A local attacker could use this flaw to crash the system. (CVE-2012-1146)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10: linux-image-3.0.0-16-generic 3.0.0-16.29 linux-image-3.0.0-16-generic-pae 3.0.0-16.29 linux-image-3.0.0-16-omap 3.0.0-16.29 linux-image-3.0.0-16-powerpc 3.0.0-16.29 linux-image-3.0.0-16-powerpc-smp 3.0.0-16.29 linux-image-3.0.0-16-powerpc64-smp 3.0.0-16.29 linux-image-3.0.0-16-server 3.0.0-16.29 linux-image-3.0.0-16-virtual 3.0.0-16.29
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1405-1 CVE-2011-3347, CVE-2011-4127, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146
Package Information: https://launchpad.net/ubuntu/+source/linux/3.0.0-16.29
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