Back
CVE-2022-33746
P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size.…
- 6.5MediumCVSS base score
- 0.29%Exploitation in 30 daysEPSS · top 78% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By XEN
- 4 months later
· 4 months later
Published
- 22 months later
· 22 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
References
References8
- https://xenbits.xenproject.org/xsa/advisory-410.txt (opens in a new tab)x_transferred
- http://xenbits.xen.org/xsa/advisory-410.html (opens in a new tab)x_transferred
- [oss-security] 20221011 Xen Security Advisory 410 v3 (CVE-2022-33746) - P2M pool freeing may take excessively long (opens in a new tab)mailing-listx_transferred
- FEDORA-2022-5b594b82ac (opens in a new tab)vendor-advisoryx_transferred
- DSA-5272 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-d80cc73088 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-99af00f60e (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202402-07 (opens in a new tab)vendor-advisoryx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-36785 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-33746)Record last updated .