GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-36385 (GCVE-0-2020-36385)

Vulnerability from cvelistv5 – Published: 2021-06-07 00:00 – Updated: 2024-08-04 17:23
VLAI
Summary
An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:23:10.459Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210720-0004/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.starwindsoftware.com/security/sw-20220802-0002/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-11T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6"
        },
        {
          "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1"
        },
        {
          "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20210720-0004/"
        },
        {
          "url": "https://www.starwindsoftware.com/security/sw-20220802-0002/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-36385",
    "datePublished": "2021-06-07T00:00:00.000Z",
    "dateReserved": "2021-06-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T17:23:10.459Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-36385",
      "date": "2026-09-20",
      "epss": "0.01476",
      "percentile": "0.727"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D61CA62B-157A-4415-B8FD-7C3C1208315D",
                    "versionEndExcluding": "5.10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:starwindsoftware:starwind_san_\\\u0026_nas:v8r12:*:*:*:*:*:*:*",
                    "matchCriteriaId": "45D7C2A6-CA6B-44DB-818D-BC2BE89E93D6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14338:*:*:*:*:*:*",
                    "matchCriteriaId": "14AF427F-BC75-40C7-9579-34A74E2E475D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c."
          },
          {
            "lang": "es",
            "value": "Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.10. El archivo drivers/infiniband/core/ucma.c, presenta un uso de la memoria previamente liberada porque el ctx es alcanzado por medio de la funci\u00f3n ctx_list en algunas situaciones donde la funci\u00f3n ucma_migrate_id en que la funci\u00f3n ucma_close, es llamada tambi\u00e9n se conoce como CID-f5449e74802c"
          }
        ],
        "id": "CVE-2020-36385",
        "lastModified": "2024-11-21T05:29:22.800",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-06-07T12:15:08.417",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210720-0004/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.starwindsoftware.com/security/sw-20220802-0002/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210720-0004/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.starwindsoftware.com/security/sw-20220802-0002/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-08-07T01:06:16+00:00",
      "cve": "CVE-2020-36385",
      "id": "CVE-2020-36385",
      "initial_release_date": "2020-01-01T00:00:00+00:00",
      "product_status:fixed": "1260",
      "product_status:known_affected": "16",
      "product_status:known_not_affected": "109",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-36385.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




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.