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CVE-2024-35962 (GCVE-0-2024-35962)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:41 – Updated: 2026-08-05 11:31
VLAI
Title
netfilter: complete validation of user input
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;
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:40 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0f038242b77ddfc505bf4163d4904c1abd2e74d6 , < cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05 (git)
Affected: 440e948cf0eff32cfe322dcbca3f2525354b159b , < 97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7 (git)
Affected: 18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 , < c760089aa98289b4b88a7ff5a62dd92845adf223 (git)
Affected: 81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 , < 89242d9584c342cb83311b598d9e6b82572eadf8 (git)
Affected: 58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 , < 562b7245131f6e9f1d280c8b5a8750f03edfc05c (git)
Affected: 0c83842df40f86e529db6842231154772c20edcc , < 65acf6e0501ac8880a4f73980d01b5d27648b956 (git)
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Linux Linux Affected: 5.10.215 , < 5.10.216 (semver)
Affected: 5.15.154 , < 5.15.156 (semver)
Affected: 6.1.85 , < 6.1.87 (semver)
Affected: 6.6.26 , < 6.6.28 (semver)
Affected: 6.8.5 , < 6.8.7 (semver)
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Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
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Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
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Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
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Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
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      "product_status:known_not_affected": "1",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
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\"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05\"}, {\"url\": \"https://git.kernel.org/stable/c/97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7\"}, {\"url\": \"https://git.kernel.org/stable/c/c760089aa98289b4b88a7ff5a62dd92845adf223\"}, {\"url\": \"https://git.kernel.org/stable/c/89242d9584c342cb83311b598d9e6b82572eadf8\"}, {\"url\": \"https://git.kernel.org/stable/c/562b7245131f6e9f1d280c8b5a8750f03edfc05c\"}, {\"url\": \"https://git.kernel.org/stable/c/65acf6e0501ac8880a4f73980d01b5d27648b956\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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;\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.216\", \"versionStartIncluding\": \"5.10.215\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.156\", \"versionStartIncluding\": \"5.15.154\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.87\", \"versionStartIncluding\": \"6.1.85\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.28\", \"versionStartIncluding\": \"6.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.7\", \"versionStartIncluding\": \"6.8.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:31:13.953Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35962\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:31:13.953Z\", \"dateReserved\": \"2024-05-17T13:50:33.137Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-20T09:41:53.207Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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.