FKIE_CVE-2024-26673

Vulnerability from fkie_nvd - Published: 2024-04-02 07:15 - Updated: 2026-06-17 07:18
Severity
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
debian debian_linux 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nft_ct.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "857b46027d6f91150797295752581b7155b9d0e1",
              "versionType": "git"
            },
            {
              "lessThan": "8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4",
              "status": "affected",
              "version": "857b46027d6f91150797295752581b7155b9d0e1",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nft_ct.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "5.3"
            },
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              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
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            },
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            },
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              "status": "unaffected",
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            },
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              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
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          "negate": false,
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations\n\n- Disallow families other than NFPROTO_{IPV4,IPV6,INET}.\n- Disallow layer 4 protocol with no ports, since destination port is a\n  mandatory attribute for this object."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: nft_ct: desinfecta el n\u00famero de protocolo de capa 3 y 4 en expectativas personalizadas - No permitir familias que no sean NFPROTO_{IPV4,IPV6,INET}. - No permitir el protocolo de capa 4 sin puertos, ya que el puerto de destino es un atributo obligatorio para este objeto."
    }
  ],
  "id": "CVE-2024-26673",
  "lastModified": "2026-06-17T07:18:03.757",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-26673",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-03T15:12:33.164796Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-02T07:15:43.967",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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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.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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