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Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution exists | May 15, 2025 | May 15, 2025 |
| Gentoo Linux | — | Upgrade app-emulation/xen. | Oct 30, 2017 | Dec 9, 2014 |
| Suse | — | Upgrade xen-libs-32bitUpgrade xen-kmp-defaultUpgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xenUpgrade xen-toolsUpgrade xen-libsUpgrade xen-develUpgrade xen-kmp-pae | Dec 18, 2015 | Dec 9, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 9, 2014 |
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