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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 qemuUpgrade xenUpgrade linux-vanilla.Upgrade linux-grsec | 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-pvgrub.Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen.Upgrade app-emulation/pvgrub. | Oct 30, 2017 | Dec 17, 2015 |
| Suse | — | Upgrade xenUpgrade xen-develUpgrade xen-tools-xendomains-wait-diskUpgrade xen-toolsUpgrade xen-libsUpgrade xen-doc-pdfUpgrade xen-libs-32bitUpgrade xen-tools-domUUpgrade xen-kmp-paeUpgrade xen-doc-htmlUpgrade xen-kmp-default | Jan 4, 2016 | Dec 17, 2015 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 17, 2015 |
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