gsd-2023-1206
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
Aliases
Aliases
CVE-2023-1206


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-1206",
    "id": "GSD-2023-1206"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-1206"
      ],
      "details": "A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel\u2019s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.",
      "id": "GSD-2023-1206",
      "modified": "2023-12-13T01:20:41.728661Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-1206",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
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                    "version": {
                      "version_data": [
                        {
                          "version_value": "kernel 6.5-rc1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
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          }
        ]
      },
      "problemtype": {
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                "value": "CWE-400"
              }
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          }
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      },
      "references": {
        "reference_data": [
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            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2175903",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2175903"
          },
          {
            "name": "DSA-5480",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2023/dsa-5480"
          },
          {
            "name": "DSA-5492",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2023/dsa-5492"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20230929-0006/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20230929-0006/"
          },
          {
            "name": "[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
          },
          {
            "name": "[debian-lts-announce] 20240111 [SECURITY] [DLA 3710-1] linux security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "98C491C7-598A-4D36-BA4F-3505A5727ED1",
                    "versionEndExcluding": "6.5",
                    "vulnerable": true
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        "descriptions": [
          {
            "lang": "en",
            "value": "A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel\u2019s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%."
          }
        ],
        "id": "CVE-2023-1206",
        "lastModified": "2024-01-11T19:15:08.937",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
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              "exploitabilityScore": 2.1,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
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        },
        "published": "2023-06-30T22:15:09.747",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
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              "Third Party Advisory"
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            "url": "https://www.debian.org/security/2023/dsa-5492"
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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
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            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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