CVE-2020-16119 (GCVE-0-2020-16119)

Vulnerability from cvelistv5 – Published: 2021-01-14 01:10 – Updated: 2024-09-16 18:19
VLAI?
Title
DCCP CCID structure use-after-free
Summary
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Severity ?
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
Assigner
References
URL Tags
https://launchpad.net/bugs/1883840 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4576-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4577-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4578-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4579-1 vendor-advisoryx_refsource_UBUNTU
https://ubuntu.com/USN-4580-1 vendor-advisoryx_refsource_UBUNTU
https://lore.kernel.org/netdev/20201013171849.236… x_refsource_CONFIRM
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… vendor-advisoryx_refsource_UBUNTU
https://security.netapp.com/advisory/ntap-2021030… x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4978 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
Canonical Linux kernel Affected: 5.4 kernel , < 5.4.0-51.56 (custom)
Affected: 5.3 kernel , < 5.3.0-68.63 (custom)
Affected: 4.15 kernel , < 4.15.0-121.123 (custom)
Affected: 4.4 kernel , < 4.4.0-193.224 (custom)
Affected: 3.13 kernel , < 3.13.0.182.191 (custom)
Affected: 3.2 kernel , < 3.2.0-149.196 (custom)
Create a notification for this product.
Date Public ?
2020-10-13 00:00
Credits
Hador Manor
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:37:53.448Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://launchpad.net/bugs/1883840"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/USN-4576-1"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/USN-4577-1"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/USN-4578-1"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/USN-4579-1"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/USN-4580-1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210304-0006/"
          },
          {
            "name": "DSA-4978",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4978"
          },
          {
            "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
          },
          {
            "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel",
          "vendor": "Canonical",
          "versions": [
            {
              "lessThan": "5.4.0-51.56",
              "status": "affected",
              "version": "5.4 kernel",
              "versionType": "custom"
            },
            {
              "lessThan": "5.3.0-68.63",
              "status": "affected",
              "version": "5.3 kernel",
              "versionType": "custom"
            },
            {
              "lessThan": "4.15.0-121.123",
              "status": "affected",
              "version": "4.15 kernel",
              "versionType": "custom"
            },
            {
              "lessThan": "4.4.0-193.224",
              "status": "affected",
              "version": "4.4 kernel",
              "versionType": "custom"
            },
            {
              "lessThan": "3.13.0.182.191",
              "status": "affected",
              "version": "3.13 kernel",
              "versionType": "custom"
            },
            {
              "lessThan": "3.2.0-149.196",
              "status": "affected",
              "version": "3.2 kernel",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Hador Manor"
        }
      ],
      "datePublic": "2020-10-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-17T00:06:36.000Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://launchpad.net/bugs/1883840"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://ubuntu.com/USN-4576-1"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://ubuntu.com/USN-4577-1"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://ubuntu.com/USN-4578-1"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://ubuntu.com/USN-4579-1"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://ubuntu.com/USN-4580-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/"
        },
        {
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210304-0006/"
        },
        {
          "name": "DSA-4978",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4978"
        },
        {
          "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
        },
        {
          "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
        }
      ],
      "source": {
        "advisory": "https://ubuntu.com/USN-4576-1",
        "defect": [
          "https://launchpad.net/bugs/1883840"
        ],
        "discovery": "USER"
      },
      "title": "DCCP CCID structure use-after-free",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "AKA": "",
          "ASSIGNER": "security@ubuntu.com",
          "DATE_PUBLIC": "2020-10-13T16:00:00.000Z",
          "ID": "CVE-2020-16119",
          "STATE": "PUBLIC",
          "TITLE": "DCCP CCID structure use-after-free"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Linux kernel",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "5.4 kernel",
                            "version_value": "5.4.0-51.56"
                          },
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "5.3 kernel",
                            "version_value": "5.3.0-68.63"
                          },
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "4.15 kernel",
                            "version_value": "4.15.0-121.123"
                          },
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "4.4 kernel",
                            "version_value": "4.4.0-193.224"
                          },
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "3.13 kernel",
                            "version_value": "3.13.0.182.191"
                          },
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "3.2 kernel",
                            "version_value": "3.2.0-149.196"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Canonical"
              }
            ]
          }
        },
        "configuration": [],
        "credit": [
          {
            "lang": "eng",
            "value": "Hador Manor"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196."
            }
          ]
        },
        "exploit": [],
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-416 Use After Free"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://launchpad.net/bugs/1883840",
              "refsource": "UBUNTU",
              "url": "https://launchpad.net/bugs/1883840"
            },
            {
              "name": "https://ubuntu.com/USN-4576-1",
              "refsource": "UBUNTU",
              "url": "https://ubuntu.com/USN-4576-1"
            },
            {
              "name": "https://ubuntu.com/USN-4577-1",
              "refsource": "UBUNTU",
              "url": "https://ubuntu.com/USN-4577-1"
            },
            {
              "name": "https://ubuntu.com/USN-4578-1",
              "refsource": "UBUNTU",
              "url": "https://ubuntu.com/USN-4578-1"
            },
            {
              "name": "https://ubuntu.com/USN-4579-1",
              "refsource": "UBUNTU",
              "url": "https://ubuntu.com/USN-4579-1"
            },
            {
              "name": "https://ubuntu.com/USN-4580-1",
              "refsource": "UBUNTU",
              "url": "https://ubuntu.com/USN-4580-1"
            },
            {
              "name": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/",
              "refsource": "CONFIRM",
              "url": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/"
            },
            {
              "name": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695",
              "refsource": "UBUNTU",
              "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210304-0006/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210304-0006/"
            },
            {
              "name": "DSA-4978",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4978"
            },
            {
              "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
            },
            {
              "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
            }
          ]
        },
        "solution": [],
        "source": {
          "advisory": "https://ubuntu.com/USN-4576-1",
          "defect": [
            "https://launchpad.net/bugs/1883840"
          ],
          "discovery": "USER"
        },
        "work_around": []
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2020-16119",
    "datePublished": "2021-01-14T01:10:20.401Z",
    "dateReserved": "2020-07-29T00:00:00.000Z",
    "dateUpdated": "2024-09-16T18:19:48.160Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-16119",
      "date": "2026-05-21",
      "epss": "0.00089",
      "percentile": "0.25128"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"B5A6F2F3-4894-4392-8296-3B8DD2679084\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"902B8056-9E37-443B-8905-8AA93E2447FB\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DEECE5FC-CACF-4496-A3E7-164736409252\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de uso de la memoria previamente liberada en el kernel de Linux explotable por un atacante local debido a la reutilizaci\\u00f3n de un socket DCCP con un objeto dccps_hc_tx_ccid adjunto como oyente despu\\u00e9s de ser liberado.\u0026#xa0;Corregido en el kernel de Ubuntu Linux versiones 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 y 3.2.0-149.196\"}]",
      "id": "CVE-2020-16119",
      "lastModified": "2024-11-21T05:06:47.890",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@ubuntu.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 5.2}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.6, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-01-14T01:15:13.010",
      "references": "[{\"url\": \"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://launchpad.net/bugs/1883840\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/\", \"source\": \"security@ubuntu.com\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210304-0006/\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4576-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4577-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4578-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4579-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4580-1\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4978\", \"source\": \"security@ubuntu.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://launchpad.net/bugs/1883840\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210304-0006/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4576-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4577-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4578-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4579-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://ubuntu.com/USN-4580-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2021/dsa-4978\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "security@ubuntu.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@ubuntu.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-16119\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2021-01-14T01:15:13.010\",\"lastModified\":\"2024-11-21T05:06:47.890\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de uso de la memoria previamente liberada en el kernel de Linux explotable por un atacante local debido a la reutilizaci\u00f3n de un socket DCCP con un objeto dccps_hc_tx_ccid adjunto como oyente despu\u00e9s de ser liberado.\u0026#xa0;Corregido en el kernel de Ubuntu Linux versiones 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 y 3.2.0-149.196\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}],\"references\":[{\"url\":\"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://launchpad.net/bugs/1883840\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/\",\"source\":\"security@ubuntu.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20210304-0006/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4576-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4577-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4578-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4579-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4580-1\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4978\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://launchpad.net/bugs/1883840\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20210304-0006/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4576-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4577-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4578-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4579-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ubuntu.com/USN-4580-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4978\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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.