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CVE-2022-42326

Published: Nov 1, 2022Updated: May 5, 2025 Sources: CVE List NVD BDUCWE-401
5.5MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 80.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an error. As this error is encountered only when handling the deleted node at transaction finalization, the transaction will have been performed partially and without updating the accounting information. This will enable a malicious guest to create arbitrary number of nodes.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-401

Affected Products

Oracle Corp.
commercial·USaka oracle
Oracle VM Server for x86On-prem
Databases
Oracle ExadataOn-premDatabase
Databases / relational
The Linux Foundation
oss-project·USaka linuxfoundation.org, linux foundation
XenOn-prem
Cloud & SaaS / virtualization
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
Xen
oss-project·GBaka qemu, xapi
xenOn-prem
Cloud & SaaS / virtualization
and 3 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2022-42326?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://www.openwall.com/lists/oss-security/2022/11/01/11
openwall.com
http://xenbits.xen.org/xsa/advisory-421.html
xenbits.xen.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
lists.fedoraproject.org
and 10 more references View all →

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