CVE-2022-33745 (GCVE-0-2022-33745)

Vulnerability from cvelistv5 – Published: 2022-07-26 00:00 – Updated: 2024-08-03 08:09
VLAI
Summary
insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / value between old and new code positions. The now wrong use of the variable did lead to a wrong TLB flush condition, omitting flushes where such are necessary.
Severity
No CVSS data available.
CWE
  • unknown
Assigner
References
Impacted products
Vendor Product Version CPE status
Xen xen Unknown: consult Xen advisory XSA-408
guessed Create a notification for this product.
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Charles Arnold of SUSE.'}]}}}
Show details on NVD website
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      "current_release_date": "2026-08-29T02:35:20Z",
      "cve": "CVE-2022-33745",
      "id": "CVE-2022-33745",
      "initial_release_date": "2023-02-15T03:25:05Z",
      "product_status:known_affected": "231",
      "product_status:recommended": "540",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-33745",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-33745.json",
      "version": "43"
    }
  }
}



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Tags
Taxonomy of the tags.





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.



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.