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A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Oct 26, 2017 | Sep 12, 2017 |
| Debian | — | Upgrade xen | Nov 29, 2017 | Sep 12, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 12, 2017 |
| Suse | — | Upgrade xen-tools-domUUpgrade xen-develUpgrade xen-doc-htmlUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-kmp-defaultUpgrade xen-libsUpgrade xenUpgrade xen-doc-pdfUpgrade xen-libs-32bit | Sep 13, 2017 | Sep 12, 2017 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Sep 12, 2017 |
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