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The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 30, 2024 | Jan 26, 2014 |
| Gentoo Linux | — | Upgrade app-emulations/xen-tools.Upgrade app-emulations/xen.Upgrade app-emulations/xen-pvgrub. | Oct 30, 2017 | Jan 26, 2014 |
| Suse | — | Upgrade xen-libs-32bitUpgrade xen-kmp-defaultUpgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xen-libsUpgrade xen-doc-pdfUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-kmp-traceUpgrade xenUpgrade xen-devel | Dec 18, 2015 | Jan 26, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Jan 26, 2014 |
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