FKIE_CVE-2024-35962

Vulnerability from fkie_nvd - Published: 2024-05-20 10:15 - Updated: 2026-08-04 11:18
Severity
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: complete validation of user input In my recent commit, I missed that do_replace() handlers use copy_from_sockptr() (which I fixed), followed by unsafe copy_from_sockptr_offset() calls. In all functions, we can perform the @optlen validation before even calling xt_alloc_table_info() with the following check: if ((u64)optlen < (u64)tmp.size + sizeof(tmp)) return -EINVAL;
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/562b7245131f6e9f1d280c8b5a8750f03edfc05cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/65acf6e0501ac8880a4f73980d01b5d27648b956Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89242d9584c342cb83311b598d9e6b82572eadf8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c760089aa98289b4b88a7ff5a62dd92845adf223Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/562b7245131f6e9f1d280c8b5a8750f03edfc05cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/65acf6e0501ac8880a4f73980d01b5d27648b956Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/89242d9584c342cb83311b598d9e6b82572eadf8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c760089aa98289b4b88a7ff5a62dd92845adf223Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-613116.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.10.215
linux linux_kernel 6.9
debian debian_linux 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/netfilter/arp_tables.c",
            "net/ipv4/netfilter/ip_tables.c",
            "net/ipv6/netfilter/ip6_tables.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05",
              "status": "affected",
              "version": "0f038242b77ddfc505bf4163d4904c1abd2e74d6",
              "versionType": "git"
            },
            {
              "lessThan": "97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7",
              "status": "affected",
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            },
            {
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              "status": "affected",
              "version": "18aae2cb87e5faa9c5bd865260ceadac60d5a6c5",
              "versionType": "git"
            },
            {
              "lessThan": "89242d9584c342cb83311b598d9e6b82572eadf8",
              "status": "affected",
              "version": "81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525",
              "versionType": "git"
            },
            {
              "lessThan": "562b7245131f6e9f1d280c8b5a8750f03edfc05c",
              "status": "affected",
              "version": "58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018",
              "versionType": "git"
            },
            {
              "lessThan": "65acf6e0501ac8880a4f73980d01b5d27648b956",
              "status": "affected",
              "version": "0c83842df40f86e529db6842231154772c20edcc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/netfilter/arp_tables.c",
            "net/ipv4/netfilter/ip_tables.c",
            "net/ipv6/netfilter/ip6_tables.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5.10.216",
              "status": "affected",
              "version": "5.10.215",
              "versionType": "semver"
            },
            {
              "lessThan": "5.15.156",
              "status": "affected",
              "version": "5.15.154",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1.87",
              "status": "affected",
              "version": "6.1.85",
              "versionType": "semver"
            },
            {
              "lessThan": "6.6.28",
              "status": "affected",
              "version": "6.6.26",
              "versionType": "semver"
            },
            {
              "lessThan": "6.8.7",
              "status": "affected",
              "version": "6.8.5",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "RUGGEDCOM RST2428P",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E1B2729-18BA-47C7-AE2D-971BC99C7D02",
              "versionEndExcluding": "5.15.156",
              "versionStartIncluding": "5.15.154",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "A8CDEAF1-488F-498A-A833-FD0F2C78AD49",
              "versionEndExcluding": "6.1.87",
              "versionStartIncluding": "6.1.85",
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            },
            {
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              "matchCriteriaId": "ADF57D0A-A848-481F-9490-2616EBD7F6E2",
              "versionEndExcluding": "6.6.28",
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            },
            {
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              "matchCriteriaId": "41B95ABA-930C-43DE-9CA3-57E44AF4C78E",
              "versionEndExcluding": "6.8.7",
              "versionStartIncluding": "6.8.5",
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            },
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              "matchCriteriaId": "6DEA5675-3527-4871-951D-0D346442BEFB",
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            },
            {
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              "matchCriteriaId": "52048DDA-FC5A-4363-95A0-A6357B4D7F8C",
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              "vulnerable": true
            }
          ],
          "negate": false,
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        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: complete validation of user input\n\nIn my recent commit, I missed that do_replace() handlers\nuse copy_from_sockptr() (which I fixed), followed\nby unsafe copy_from_sockptr_offset() calls.\n\nIn all functions, we can perform the @optlen validation\nbefore even calling xt_alloc_table_info() with the following\ncheck:\n\nif ((u64)optlen \u003c (u64)tmp.size + sizeof(tmp))\n        return -EINVAL;"
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: validaci\u00f3n completa de la entrada del usuario En mi confirmaci\u00f3n reciente, omit\u00ed que los controladores do_replace() usan copy_from_sockptr() (que arregl\u00e9), seguido de llamadas inseguras copy_from_sockptr_offset(). En todas las funciones, podemos realizar la validaci\u00f3n @optlen incluso antes de llamar a xt_alloc_table_info() con la siguiente comprobaci\u00f3n: if ((u64)optlen \u0026lt; (u64)tmp.size + sizeof(tmp)) return -EINVAL;"
    }
  ],
  "id": "CVE-2024-35962",
  "lastModified": "2026-08-04T11:18:15.697",
  "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-35962",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T15:40:32.586631Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-20T10:15:11.327",
  "references": [
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      "tags": [
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        "Third Party Advisory"
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    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • 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.



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