Xen xenstore watch notification Information Disclosure (XSA-115)

"According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an information disclosure vulnerability due to a lack of permission checks for xenstore watch event reporting. A guest administrator can watch the root xenstored node, which will cause...

CVE-2020-29484

An issue was discovered in Xen through 4.14.x. When a Xenstore watch fires, the xenstore client that registered the watch will receive a Xenstore message containing the path of the modified Xenstore entry that triggered the watch, and the tag that was specified when registering the watch. Any...

Xenstore: guests can crash xenstored via watchs

ISSUE DESCRIPTION When a Xenstore watch fires, the xenstore client which registered the watch will receive a Xenstore message containing the path of the modified Xenstore entry which triggered the watch, and the tag which was specified when registering the watch. Any communication with xenstored ...