CVE-2020-8648
Vulnerability from cvelistv5
Published
2020-02-06 00:06
Modified
2024-08-04 10:03
Severity ?
Summary
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://bugzilla.kernel.org/show_bug.cgi?id=206361Exploit, Issue Tracking, Vendor Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20200924-0004/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4342-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4344-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4345-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4346-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4698Third Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:03:46.257Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.kernel.org/show_bug.cgi?id=206361"
          },
          {
            "name": "openSUSE-SU-2020:0336",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"
          },
          {
            "name": "USN-4344-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4344-1/"
          },
          {
            "name": "USN-4345-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4345-1/"
          },
          {
            "name": "USN-4342-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4342-1/"
          },
          {
            "name": "USN-4346-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4346-1/"
          },
          {
            "name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"
          },
          {
            "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
          },
          {
            "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"
          },
          {
            "name": "DSA-4698",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4698"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200924-0004/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-24T11:06:09",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.kernel.org/show_bug.cgi?id=206361"
        },
        {
          "name": "openSUSE-SU-2020:0336",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"
        },
        {
          "name": "USN-4344-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4344-1/"
        },
        {
          "name": "USN-4345-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4345-1/"
        },
        {
          "name": "USN-4342-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4342-1/"
        },
        {
          "name": "USN-4346-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4346-1/"
        },
        {
          "name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"
        },
        {
          "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
        },
        {
          "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"
        },
        {
          "name": "DSA-4698",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4698"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200924-0004/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-8648",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.kernel.org/show_bug.cgi?id=206361",
              "refsource": "MISC",
              "url": "https://bugzilla.kernel.org/show_bug.cgi?id=206361"
            },
            {
              "name": "openSUSE-SU-2020:0336",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"
            },
            {
              "name": "USN-4344-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4344-1/"
            },
            {
              "name": "USN-4345-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4345-1/"
            },
            {
              "name": "USN-4342-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4342-1/"
            },
            {
              "name": "USN-4346-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4346-1/"
            },
            {
              "name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"
            },
            {
              "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
            },
            {
              "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"
            },
            {
              "name": "DSA-4698",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4698"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200924-0004/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200924-0004/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-8648",
    "datePublished": "2020-02-06T00:06:36",
    "dateReserved": "2020-02-06T00:00:00",
    "dateUpdated": "2024-08-04T10:03:46.257Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-8648\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2020-02-06T01:15:10.890\",\"lastModified\":\"2022-07-28T00:08:45.217\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de uso de la memoria previamente liberada en el kernel de Linux versiones hasta 5.5.2, en la funci\u00f3n n_tty_receive_buf_common en el archivo drivers/tty/n_tty.c.\"}],\"metrics\":{\"cvssMetricV31\":[{\"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:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":3.6},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"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:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.5.2\",\"matchCriteriaId\":\"40157F12-F9F5-4A92-A0FA-213D2809B839\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*\",\"matchCriteriaId\":\"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C2089EE-5D7F-47EC-8EA5-0F69790564C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"489D20B9-166F-423D-8C48-A23D3026E33B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"83FAD281-BF77-4A8A-8F29-B557A6903BE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2748912-FC54-47F6-8C0C-B96784765B8E\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"},{\"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\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.kernel.org/show_bug.cgi?id=206361\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20200924-0004/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4342-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4344-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4345-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4346-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4698\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.