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CVE-2022-33746 (GCVE-0-2022-33746)

Vulnerability from cvelistv5 – Published: 2022-10-11 00:00 – Updated: 2024-08-03 08:09
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • unknown
Assigner
References
Impacted products
Vendor Product Version CPE status
Xen xen Unknown: consult Xen advisory XSA-410
guessed Create a notification for this product.
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Julien Grall of Amazon.'}]}}}
Show details on NVD website
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    "datePublished": "2022-10-11T00:00:00.000Z",
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    },
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      "id": "CVE-2022-33746",
      "lastModified": "2024-11-21T07:08:27.510",
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    "redhat_vex": {
      "current_release_date": "2025-11-21T15:49:21+00:00",
      "cve": "CVE-2022-33746",
      "id": "CVE-2022-33746",
      "initial_release_date": "2022-10-11T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: P2M pool freeing may take excessively long",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-33746.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-28T23:52:08Z",
      "cve": "CVE-2022-33746",
      "id": "CVE-2022-33746",
      "initial_release_date": "2023-02-15T03:25:04Z",
      "product_status:known_affected": "252",
      "product_status:recommended": "517",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-33746",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-33746.json",
      "version": "43"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.