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CVE-2022-42310

Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphane…

Impact

Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.

Affected products

VendorProductAffected versions
XenXen
from 4.9.0 before 4.13.0
DebianDebian Linux
Version 11.0
FedoraprojectFedora
Versions 35, 36, 37

Weakness classification

CWE-459

References