The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Aug 30, 2017 | Aug 2, 2016 |
| Debian | — | Upgrade xen | Jul 28, 2016 | Jul 27, 2016 |
| Freebsd | — | Upgrade xen-kernel | Dec 10, 2025 | Aug 2, 2016 |
| Gentoo Linux | — | Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen. | Oct 30, 2017 | Aug 2, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 26, 2016 |
| Suse | — | Upgrade xen-toolsUpgrade xen-tools-xendomains-wait-diskUpgrade xen-libs-32bitUpgrade xen-develUpgrade xenUpgrade xen-tools-domUUpgrade xen-libsUpgrade xen-doc-htmlUpgrade xen-kmp-defaultUpgrade xen-doc-pdfUpgrade xen-kmp-paeUpgrade xen-kmp-trace | Aug 22, 2016 | Aug 2, 2016 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Aug 2, 2016 |
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