CVE & CISA-KEV Catalog

CVE-2022-42310

MEDIUM
5.5
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
xenDebian
Fixed in:4.14.5+86-g1c354767d5-1CVE-2022-42310
Fixed in:4.16.2+90-g0d39a6d1ae-1CVE-2022-42310
Fixed in:4.16.2+90-g0d39a6d1ae-1CVE-2022-42310
Fixed in:4.16.2+90-g0d39a6d1ae-1CVE-2022-42310

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.26%probability of exploitation in 30 days
18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Related Vulnerabilities

Other CWE-459 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-17090High7.582%-Fix
CVE-2021-39327Medium5.372%--
CVE-2025-31650High7.567%-Fix
CVE-2022-1552High8.812%-Fix
CVE-2018-18924High8.89.5%--
CVE-2022-21125Medium5.56.5%-Fix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.