PT-2022-7329
CVE-2022-42312
·
Published
2022-11-01
·
Updated
2026-10-31
Description by
CVSS 3.1
6.5
MediumMetricsAV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Xenstore (affected versions not specified)
Description
The issue is related to the uncontrolled allocation of resources in Xenstore, which can lead to a Denial of Service (DoS) of xenstored. Malicious guests can cause xenstored to allocate large amounts of memory by various means, including issuing new requests without reading responses, generating a large number of watch events, creating multiple nodes with maximum size and path length, and accessing many nodes inside a transaction.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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