The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade app-emulation/xen.Upgrade app-emulation/xen-pvgrub.Upgrade app-emulation/xen-tools. | Oct 30, 2017 | Dec 13, 2012 |
| Suse | — | Upgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xen-kmp-paeUpgrade xen-develUpgrade xenUpgrade xen-doc-pdfUpgrade xen-libsUpgrade xen-kmp-defaultUpgrade xen-libs-32bitUpgrade xen-tools | Dec 12, 2013 | Jul 9, 2013 |
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