GHSA-XJW7-4J5C-V8WW

Vulnerability from github – Published: 2025-01-11 15:30 – Updated: 2025-11-03 21:32
VLAI
Details

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
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2024-49571"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-11T13:15:24Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg\n\nWhen receiving proposal msg in server, the field iparea_offset\nand the field ipv6_prefixes_cnt in proposal msg are from the\nremote client and can not be fully trusted. Especially the\nfield iparea_offset, once exceed the max value, there has the\nchance to access wrong address, and crash may happen.\n\nThis patch checks iparea_offset and ipv6_prefixes_cnt before using them.",
  "id": "GHSA-xjw7-4j5c-v8ww",
  "modified": "2025-11-03T21:32:07Z",
  "published": "2025-01-11T15:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49571"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/47ce46349672a7e0c361bfe39ed0b22e824ef4fb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62056d1592e63d85e82357ee2ae6a6a294f440b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/846bada23bfcdeb83621b045ed85dc06c7833ff0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/91a7c27c1444ed4677b83fd5308d2cf03f5f0851"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a29e220d3c8edbf0e1beb0f028878a4a85966556"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f10635268a0a49ee902a3b63b5dbb76f4fed498e"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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