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The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-virtualized guests, which allows attackers with access to the para-virtualized guest console to boot the guest or modify the guest's kernel boot parameters without providing the expected password.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade xen-develUpgrade xenUpgrade xen-libs | Dec 1, 2016 | Oct 5, 2009 |
| Oracle_linux | — | Upgrade xenUpgrade xen-libsUpgrade xen-devel | Oct 16, 2024 | Oct 5, 2009 |
| Suse | — | Upgrade xen-libsUpgrade xenUpgrade virt-viewerUpgrade xen-tools-domUUpgrade xen-toolsUpgrade xen-kmp-paeUpgrade virt-managerUpgrade libvirtUpgrade xen-doc-htmlUpgrade libvirt-cimUpgrade libvirt-docUpgrade libvirt-pythonUpgrade libcmpiutilUpgrade vm-installUpgrade xen-kmp-default | Feb 17, 2015 | Jul 9, 2013 |
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