SARA / Free Tools / CVE / CVE-2022-42310

CVE-2022-42310 — Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes i

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 tra

CVSS
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EPSS
0.02% (top 93.90%)
CWE
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Published
2022-11-01T00:00:00.000Z
Last modified
2024-08-03T13:03:45.923Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Xenxenconsult Xen advisory XSA-415

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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