The grant-table feature in Xen through 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Oct 27, 2017 | Jul 5, 2017 |
| Debian | — | Upgrade xen | Sep 13, 2017 | Jul 4, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/xen-pvgrub.Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen. | Oct 30, 2017 | Jul 4, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 20, 2017 |
| Suse | — | Upgrade xenUpgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xen-kmp-defaultUpgrade xen-libs-32bitUpgrade xen-toolsUpgrade xen-libs | Jul 6, 2017 | Jul 4, 2017 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Jul 5, 2017 |
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