An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Feb 15, 2019 | Dec 8, 2018 |
| Debian | — | Upgrade xen | Jan 16, 2019 | Dec 7, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 8, 2018 |
| Suse | — | Upgrade xenUpgrade xen-tools-domUUpgrade xen-libs-32bitUpgrade xen-develUpgrade xen-doc-htmlUpgrade xen-tools-xendomains-wait-diskUpgrade xen-kmp-defaultUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-libs | Dec 12, 2018 | Dec 7, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Dec 8, 2018 |
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