CVE-2026-79607: Xenstore: Guests can crash xenstored during Live Update
Published Oct 13, 2026
·Updated
During Xenstore live update the state record for a Xenstore watch with specified watch depth is written with two bytes missing. This results in an inconsistent state when reading the state back in the new Xenstore, causing a crash of Xenstore or wrong Xenstore data.
Affected Software
1 affected component
XEN Xenstore
Event History
Oct 13, 2026
CVE Published
via MITRE·03:43 PM
Data Sourced
via MITRE·03:43 PM
Description
Data Sourced
via NVD·04:17 PM
Description