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The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 30, 2024 | Nov 24, 2014 |
| Gentoo Linux | — | Upgrade app-emulation/xen. | Oct 30, 2017 | Nov 24, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 20, 2014 |
| Suse | — | Upgrade xen-develUpgrade xen-tools-domUUpgrade xenUpgrade xen-kmp-defaultUpgrade xen-doc-htmlUpgrade xen-kmp-traceUpgrade xen-kmp-paeUpgrade xen-libs-32bitUpgrade xen-libsUpgrade xen-toolsUpgrade xen-doc-pdf | Dec 18, 2015 | Nov 24, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Nov 24, 2014 |
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