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The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade linux-grsecUpgrade xenUpgrade linux-vanilla.Upgrade qemu | Aug 30, 2017 | Dec 17, 2015 |
| Debian | — | Upgrade xen | Mar 22, 2016 | Dec 17, 2015 |
| Freebsd | — | Upgrade xen-tools | Dec 10, 2025 | Jan 6, 2016 |
| Gentoo Linux | — | Upgrade app-emulation/xen.Upgrade app-emulation/xen-pvgrub.Upgrade app-emulation/pvgrub.Upgrade app-emulation/xen-tools. | Oct 30, 2017 | Dec 17, 2015 |
| Suse | — | Upgrade xen-doc-pdfUpgrade xen-libsUpgrade xen-kmp-paeUpgrade xen-tools-domUUpgrade xen-kmp-defaultUpgrade xen-doc-htmlUpgrade xen-libs-32bitUpgrade xen-develUpgrade xenUpgrade xen-tools-xendomains-wait-diskUpgrade xen-tools | Jan 4, 2016 | Dec 17, 2015 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 17, 2015 |
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