CVE-2022-33746
mediumpriority · track · 26EPSS 0.003 · 22 %ileDEUSEPSS · scored 2026-10-27
P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1680Xen / Citrix Hypervisor: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2022-10-11csaf · cert_bundDE
Ein Angreifer aus dem angrenzenden Netzwerk kann mehrere Schwachstellen in Xen und Citrix Hypervisor ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (33)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2022/10/11/3cnnvd
- http://xenbits.xen.org/xsa/advisory-410.htmlcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-33746/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/cnnvd
- https://packetstormsecurity.com/files/169733/Debian-Security-Advisory-5272-1.htmlcnnvd
- https://vigilance.fr/vulnerability/Xen-overload-via-P2M-Pool-Freeing-39508cnnvd
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