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The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Aug 30, 2017 | Oct 2, 2014 |
| Debian | — | Upgrade xen | Jul 30, 2024 | Oct 2, 2014 |
| Gentoo Linux | — | Upgrade app-emulation/xen. | Oct 30, 2017 | Oct 2, 2014 |
| Suse | — | Upgrade xen-develUpgrade xen-doc-pdfUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-libsUpgrade xen-libs-32bitUpgrade xen-kmp-traceUpgrade xen-tools-domUUpgrade xen-kmp-defaultUpgrade xenUpgrade xen-doc-html | Dec 18, 2015 | Oct 2, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Oct 2, 2014 |
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