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CVE-2024-38659 (GCVE-0-2024-38659)

Vulnerability from cvelistv5 – Published: 2024-06-21 10:28 – Updated: 2026-08-05 11:33
VLAI
Title
enic: Validate length of nl attributes in enic_set_vf_port
Summary
In the Linux kernel, the following vulnerability has been resolved: enic: Validate length of nl attributes in enic_set_vf_port enic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE is of length PORT_PROFILE_MAX and that the nl attributes IFLA_PORT_INSTANCE_UUID, IFLA_PORT_HOST_UUID are of length PORT_UUID_MAX. These attributes are validated (in the function do_setlink in rtnetlink.c) using the nla_policy ifla_port_policy. The policy defines IFLA_PORT_PROFILE as NLA_STRING, IFLA_PORT_INSTANCE_UUID as NLA_BINARY and IFLA_PORT_HOST_UUID as NLA_STRING. That means that the length validation using the policy is for the max size of the attributes and not on exact size so the length of these attributes might be less than the sizes that enic_set_vf_port expects. This might cause an out of bands read access in the memcpys of the data of these attributes in enic_set_vf_port.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-21 13:26 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < 2b649d7e0cb42a660f0260ef25fd55fdc9c6c600 (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < 3c0d36972edbe56fcf98899622d9b90ac9965227 (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < 25571a12fbc8a1283bd8380d461267956fd426f7 (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < 7077c22f84f41974a711604a42fd0e0684232ee5 (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < f6638e955ca00c489894789492776842e102af9c (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < aee1955a1509a921c05c70dad5d6fc8563dfcb31 (git)
Affected: f8bd909183acffad68780b10c1cdf36161cfd5d1 , < e8021b94b0412c37bcc79027c2e382086b6ce449 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.278 , ≤ 5.4.* (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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                  "lessThanOrEqual": "6.9.*",
                  "status": "unaffected",
                  "version": "6.9.4",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.10",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.316",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.278",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.219",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.161",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.93",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.33",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9.4",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10",
                      "versionStartIncluding": "2.6.35",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nenic: Validate length of nl attributes in enic_set_vf_port\n\nenic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE\nis of length PORT_PROFILE_MAX and that the nl attributes\nIFLA_PORT_INSTANCE_UUID, IFLA_PORT_HOST_UUID are of length PORT_UUID_MAX.\nThese attributes are validated (in the function do_setlink in rtnetlink.c)\nusing the nla_policy ifla_port_policy. The policy defines IFLA_PORT_PROFILE\nas NLA_STRING, IFLA_PORT_INSTANCE_UUID as NLA_BINARY and\nIFLA_PORT_HOST_UUID as NLA_STRING. That means that the length validation\nusing the policy is for the max size of the attributes and not on exact\nsize so the length of these attributes might be less than the sizes that\nenic_set_vf_port expects. This might cause an out of bands\nread access in the memcpys of the data of these\nattributes in enic_set_vf_port."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:15:56.715Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/2b649d7e0cb42a660f0260ef25fd55fdc9c6c600"
            },
            {
              "url": "https://git.kernel.org/stable/c/ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d"
            },
            {
              "url": "https://git.kernel.org/stable/c/3c0d36972edbe56fcf98899622d9b90ac9965227"
            },
            {
              "url": "https://git.kernel.org/stable/c/25571a12fbc8a1283bd8380d461267956fd426f7"
            },
            {
              "url": "https://git.kernel.org/stable/c/7077c22f84f41974a711604a42fd0e0684232ee5"
            },
            {
              "url": "https://git.kernel.org/stable/c/f6638e955ca00c489894789492776842e102af9c"
            },
            {
              "url": "https://git.kernel.org/stable/c/aee1955a1509a921c05c70dad5d6fc8563dfcb31"
            },
            {
              "url": "https://git.kernel.org/stable/c/e8021b94b0412c37bcc79027c2e382086b6ce449"
            }
          ],
          "title": "enic: Validate length of nl attributes in enic_set_vf_port",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-38659",
        "datePublished": "2024-06-21T10:28:15.337Z",
        "dateReserved": "2024-06-21T10:12:11.472Z",
        "dateUpdated": "2025-11-04T17:21:55.964Z",
        "state": "PUBLISHED"
      },
      "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

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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.
  • 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.