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Sicherheit: Denial of Service in Xen
Aktuelle Meldungen Distributionen
Name: Denial of Service in Xen
ID: FEDORA-2011-10942
Distribution: Fedora
Plattformen: Fedora 15
Datum: Mi, 31. August 2011, 08:44
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3131
Applikationen: Xen

Originalnachricht

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Fedora Update Notification
FEDORA-2011-10942
2011-08-17 00:09:14
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Name : xen
Product : Fedora 15
Version : 4.1.1
Release : 3.fc15
URL : http://xen.org/
Summary : Xen is a virtual machine monitor
Description :
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor

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Update Information:

untrusted guest controlling PCI[E] device can lock up
host CPU [CVE-2011-3131]
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ChangeLog:

* Sun Aug 14 2011 Michael Young <m.a.young@durham.ac.uk> - 4.1.1-3
- untrusted guest controlling PCI[E] device can lock up host CPU
[CVE-2011-3131]
* Wed Jul 20 2011 Michael Young <m.a.young@durham.ac.uk> - 4.1.1-2
- clean up patch to solve a problem with hvmloader compiled with gcc 4.6
* Wed Jun 15 2011 Michael Young <m.a.young@durham.ac.uk> - 4.1.1-1
- update to 4.1.1
includes various bugfixes and fix for [CVE-2011-1898] guest with pci
passthrough can gain privileged access to base domain
- remove upstream cve-2011-1583-4.1.patch
* Mon May 9 2011 Michael Young <m.a.young@durham.ac.uk> - 4.1.0-2
- Overflows in kernel decompression can allow root on xen PV guest to gain
privileged access to base domain, or access to xen configuration info.
Lack of error checking could allow DoS attack from guest [CVE-2011-1583]
- Don't require /usr/bin/qemu-nbd as it isn't used at present.
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This update can be installed with the "yum" update program. Use
su -c 'yum update xen' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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