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The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-headersUpgrade kernel-debug-develUpgrade kernel-docUpgrade kernel-PAEUpgrade kernelUpgrade kernel-PAE-develUpgrade kernel-debugUpgrade kernel-xen-develUpgrade kernel-xenUpgrade kernel-devel | Dec 1, 2016 | Dec 1, 2014 |
| Debian | — | Upgrade xen | Jul 30, 2024 | Dec 1, 2014 |
| Gentoo Linux | — | Upgrade app-emulation/xen. | Oct 30, 2017 | Dec 1, 2014 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | Dec 1, 2014 |
| Suse | — | Upgrade xen-kmp-traceUpgrade xen-tools-domUUpgrade xen-kmp-paeUpgrade xenUpgrade xen-kmp-defaultUpgrade xen-develUpgrade xen-libsUpgrade xen-toolsUpgrade xen-doc-htmlUpgrade xen-libs-32bitUpgrade xen-doc-pdf | Dec 18, 2015 | Dec 1, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 1, 2014 |
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