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CVE-2018-20126 (GCVE-0-2018-20126)

Vulnerability from cvelistv5 – Published: 2018-12-20 21:00 – Updated: 2024-08-05 11:51
VLAI
Summary
hw/rdma/vmw/pvrdma_cmd.c in QEMU allows create_cq and create_qp memory leaks because errors are mishandled.
CWE
  • n/a
References
URL Tags
http://www.openwall.com/lists/oss-security/2018/12/19/4 mailing-listx_refsource_MLIST
https://lists.gnu.org/archive/html/qemu-devel/201… mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106298 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3923-1/ vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2018-12-19 00:00
Show details on NVD website

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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2018/12/19/4"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/106298"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02824.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/3923-1/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-772"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T16:46:08+00:00",
      "cve": "CVE-2018-20126",
      "id": "CVE-2018-20126",
      "initial_release_date": "2018-12-11T00:00:00+00:00",
      "product_status:known_not_affected": "66",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "QEMU: pvrdma: memory leakage when creating cq/qp",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-20126.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-01T01:51:38Z",
      "cve": "CVE-2018-20126",
      "id": "CVE-2018-20126",
      "initial_release_date": "2023-02-15T04:21:24Z",
      "product_status:known_affected": "505",
      "product_status:known_not_affected": "533",
      "product_status:recommended": "1716",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-20126",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-20126.json",
      "version": "42"
    }
  }
}



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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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