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

CVE-2023-1382 (GCVE-0-2023-1382)

Vulnerability from cvelistv5 – Published: 2023-04-19 00:00 – Updated: 2025-03-19 15:37
VLAI
Summary
A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-06 15:56 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Kernel Affected: Linux Kernel prior to Kernel 6.1 RC7
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:49:10.354Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 4.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-1382",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-06T15:56:20.966538Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-19T15:37:05.212Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Linux Kernel prior to Kernel 6.1 RC7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A data race flaw was found in the Linux kernel, between where con is allocated and con-\u003esock is set. This issue leads to a NULL pointer dereference when accessing con-\u003esock-\u003esk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-19T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-1382",
    "datePublished": "2023-04-19T00:00:00.000Z",
    "dateReserved": "2023-03-14T00:00:00.000Z",
    "dateUpdated": "2025-03-19T15:37:05.212Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-1382",
      "date": "2026-09-19",
      "epss": "0.00186",
      "percentile": "0.08443"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "9064B383-DD48-40A2-8947-F5BA6E6B6713",
                  "versionEndExcluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
                  "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
                  "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
                  "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
                  "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*",
                  "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*",
                  "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A data race flaw was found in the Linux kernel, between where con is allocated and con-\u003esock is set. This issue leads to a NULL pointer dereference when accessing con-\u003esock-\u003esk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel."
        }
      ],
      "id": "CVE-2023-1382",
      "lastModified": "2024-11-21T07:39:04.530",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 4.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.0,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-04-19T23:15:06.903",
      "references": [
        {
          "source": "secalert@redhat.com",
          "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
        }
      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-476"
            }
          ],
          "source": "secalert@redhat.com",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-476"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "microsoft_vex": {
      "current_release_date": "2023-05-25T00:00:00.000Z",
      "cve": "CVE-2023-1382",
      "id": "msrc_CVE-2023-1382",
      "initial_release_date": "2023-04-01T00:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "A data race flaw was found in the Linux kernel between where con is allocated and con-\u003esock is set. This issue leads to a NULL pointer dereference when accessing con-\u003esock-\u003esk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.",
      "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-1382.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "Kernel",
                "vendor": "n/a",
                "versions": [
                  {
                    "status": "affected",
                    "version": "Linux Kernel prior to Kernel 6.1 RC7"
                  }
                ]
              }
            ],
            "source": "secalert@redhat.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9064B383-DD48-40A2-8947-F5BA6E6B6713",
                    "versionEndExcluding": "6.1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
                    "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
                    "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
                    "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*",
                    "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*",
                    "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A data race flaw was found in the Linux kernel, between where con is allocated and con-\u003esock is set. This issue leads to a NULL pointer dereference when accessing con-\u003esock-\u003esk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel."
          }
        ],
        "id": "CVE-2023-1382",
        "lastModified": "2026-06-17T05:27:49.650",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-1382",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-06T15:56:20.966538Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-04-19T23:15:06.903",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T10:58:22+00:00",
      "cve": "CVE-2023-1382",
      "id": "CVE-2023-1382",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "634",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: denial of service in tipc_conn_close",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-1382.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T00:53:52Z",
      "cve": "CVE-2023-1382",
      "id": "CVE-2023-1382",
      "initial_release_date": "2023-03-16T03:20:38Z",
      "product_status:known_affected": "189",
      "product_status:known_not_affected": "141",
      "product_status:recommended": "1190",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-1382",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-1382.json",
      "version": "76"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T05:49:10.354Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "HIGH",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 4.7,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-1382",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-03-06T15:56:20.966538Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-03-06T15:56:22.226Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Kernel",
              "vendor": "n/a",
              "versions": [
                {
                  "status": "affected",
                  "version": "Linux Kernel prior to Kernel 6.1 RC7"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A data race flaw was found in the Linux kernel, between where con is allocated and con-\u003esock is set. This issue leads to a NULL pointer dereference when accessing con-\u003esock-\u003esk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-476",
                  "description": "CWE-476",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-04-19T00:00:00.000Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin%40gmail.com/T/#u"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2023-1382",
        "datePublished": "2023-04-19T00:00:00.000Z",
        "dateReserved": "2023-03-14T00:00:00.000Z",
        "dateUpdated": "2025-03-19T15:37:05.212Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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.