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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-docUpgrade kernel-xenUpgrade kernel-xen-develUpgrade kernel-headersUpgrade kernel-debugUpgrade kernel-PAEUpgrade kernel-debug-develUpgrade kernelUpgrade kernel-PAE-develUpgrade 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-doc-htmlUpgrade xen-develUpgrade xen-libsUpgrade xen-doc-pdfUpgrade xen-toolsUpgrade xen-libs-32bitUpgrade xen-kmp-paeUpgrade xen-tools-domUUpgrade xen-kmp-defaultUpgrade xenUpgrade xen-kmp-trace | Dec 18, 2015 | Dec 1, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 1, 2014 |
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