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CVE-2024-49571 (GCVE-0-2024-49571)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:35 – Updated: 2026-08-05 11:40
VLAI
Title
net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg
Summary
In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receiving proposal msg in server, the field iparea_offset and the field ipv6_prefixes_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field iparea_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks iparea_offset and ipv6_prefixes_cnt before using them.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < 846bada23bfcdeb83621b045ed85dc06c7833ff0 (git)
Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < f10635268a0a49ee902a3b63b5dbb76f4fed498e (git)
Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < 62056d1592e63d85e82357ee2ae6a6a294f440b0 (git)
Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < 91a7c27c1444ed4677b83fd5308d2cf03f5f0851 (git)
Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < 47ce46349672a7e0c361bfe39ed0b22e824ef4fb (git)
Affected: e7b7a64a8493d47433fd003efbe6543e3f676294 , < a29e220d3c8edbf0e1beb0f028878a4a85966556 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 5.10.233 , ≤ 5.10.* (semver)
Unaffected: 5.15.176 , ≤ 5.15.* (semver)
Unaffected: 6.1.122 , ≤ 6.1.* (semver)
Unaffected: 6.6.68 , ≤ 6.6.* (semver)
Unaffected: 6.12.7 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          },
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/smc: comprobar iparea_offset e ipv6_prefixes_cnt al recibir un mensaje de propuesta Al recibir un mensaje de propuesta en el servidor, el campo iparea_offset y el campo ipv6_prefixes_cnt en el mensaje de propuesta son del cliente remoto y no se puede confiar plenamente en ellos. Especialmente el campo iparea_offset, una vez que se excede el valor m\u00e1ximo, existe la posibilidad de acceder a una direcci\u00f3n incorrecta y puede producirse un bloqueo. Este parche comprueba iparea_offset e ipv6_prefixes_cnt antes de usarlos."
          }
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        "published": "2025-01-11T13:15:24.027",
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          },
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/91a7c27c1444ed4677b83fd5308d2cf03f5f0851"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a29e220d3c8edbf0e1beb0f028878a4a85966556"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/f10635268a0a49ee902a3b63b5dbb76f4fed498e"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T17:48:32+00:00",
      "cve": "CVE-2024-49571",
      "id": "CVE-2024-49571",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_affected": "156",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49571.json",
      "version": "3"
    }
  }
}



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Taxonomy of the tags.





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.