Incomplete Cleanup Affecting xen package, versions <4.16.2+90-g0d39a6d1ae-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-DEBIAN12-XEN-3092755
  • published2 Nov 2022
  • disclosed1 Nov 2022

Introduced: 1 Nov 2022

CVE-2022-42310  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Debian:12 xen to version 4.16.2+90-g0d39a6d1ae-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1