oxenstored in Xen 4.1.x, Xen 4.2.x, and xen-unstable does not properly consider the state of the Xenstore ring during read operations, which allows guest OS users to cause a denial of service (daemon crash and host-control outage, or memory consumption) or obtain sensitive control-plane data by leveraging guest administrative access.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen-pvgrub.Upgrade app-emulation/xen. | Oct 30, 2017 | Mar 7, 2013 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Mar 7, 2013 |
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