{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ce5c9c20d364f156c885efed8c71fca2945db00f"
            },
            {
              "fixed": "36f5b86f309b3b11295d087cd7433f1c897caf94"
            },
            {
              "fixed": "548d6678c4a3d43667e59686665f8674b82440a3"
            },
            {
              "fixed": "8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49576.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix data-races around sysctl_fib_multipath_hash_fields.\n\nWhile reading sysctl_fib_multipath_hash_fields, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its readers.",
  "id": "CVE-2022-49576",
  "modified": "2026-04-01T23:08:09.844707544Z",
  "published": "2025-02-26T02:23:16.629Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36f5b86f309b3b11295d087cd7433f1c897caf94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/548d6678c4a3d43667e59686665f8674b82440a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49576.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49576"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ipv4: Fix data-races around sysctl_fib_multipath_hash_fields."
}