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The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Oct 27, 2017 | Jul 5, 2017 |
| Debian | — | Upgrade xen | Sep 13, 2017 | Jul 4, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/xen-pvgrub.Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen. | Oct 30, 2017 | Jul 4, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 20, 2017 |
| Suse | — | Upgrade xen-doc-htmlUpgrade xen-toolsUpgrade xen-kmp-defaultUpgrade xen-libs-32bitUpgrade xenUpgrade xen-libsUpgrade xen-tools-domU | Jul 6, 2017 | Jul 4, 2017 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Jul 5, 2017 |
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