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CVE-2022-42309 (GCVE-0-2022-42309)

Vulnerability from cvelistv5 – Published: 2022-11-01 00:00 – Updated: 2024-08-03 13:03
VLAI
Summary
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.
Severity
No CVSS data available.
CWE
  • unknown
Assigner
References
Impacted products
Vendor Product Version CPE status
Xen xen Unknown: consult Xen advisory XSA-414
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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              {
                "lang": "en",
                "value": "CWE-763"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T11:56:36+00:00",
      "cve": "CVE-2022-42309",
      "id": "CVE-2022-42309",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2022-42309",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-42309.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-31T01:40:27Z",
      "cve": "CVE-2022-42309",
      "id": "CVE-2022-42309",
      "initial_release_date": "2023-02-15T03:23:13Z",
      "product_status:known_affected": "253",
      "product_status:recommended": "510",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-42309",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-42309.json",
      "version": "45"
    }
  }
}



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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.


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.