CVE-2014-7840 (GCVE-0-2014-7840)

Vulnerability from cvelistv5 – Published: 2014-12-12 15:00 – Updated: 2024-08-06 13:03
VLAI
Summary
The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.
Severity
No CVSS data available.
CWE
  • n/a
References
Date Public
2014-11-12 00:00
Show details on NVD website

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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-0624.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link"
            ],
            "url": "http://thread.gmane.org/gmane.comp.emulators.qemu/306117"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163075"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/99194"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:47:50+00:00",
      "cve": "CVE-2014-7840",
      "id": "CVE-2014-7840",
      "initial_release_date": "2014-11-12T00:00:00+00:00",
      "product_status:fixed": "72",
      "product_status:known_affected": "7",
      "product_status:under_investigation": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "qemu: insufficient parameter validation during ram load",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-7840.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-04T01:09:46Z",
      "cve": "CVE-2014-7840",
      "id": "CVE-2014-7840",
      "initial_release_date": "2023-02-15T05:26:26Z",
      "product_status:known_not_affected": "150",
      "product_status:recommended": "1810",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2014-7840",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2014-7840.json",
      "version": "19"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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