{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4e66934eaadc83b27ada8d42b60894018f3bfabf"
            },
            {
              "fixed": "3743c9de303fa36c2e2ca2522ab280c52bcafbd2"
            },
            {
              "fixed": "e3ececfe668facd87d920b608349a32607060e66"
            }
          ],
          "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-2022-49127.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nref_tracker: implement use-after-free detection\n\nWhenever ref_tracker_dir_init() is called, mark the struct ref_tracker_dir\nas dead.\n\nTest the dead status from ref_tracker_alloc() and ref_tracker_free()\n\nThis should detect buggy dev_put()/dev_hold() happening too late\nin netdevice dismantle process.",
  "id": "CVE-2022-49127",
  "modified": "2026-04-01T23:10:02.399761296Z",
  "published": "2025-02-26T01:55:04.643Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3743c9de303fa36c2e2ca2522ab280c52bcafbd2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3ececfe668facd87d920b608349a32607060e66"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49127.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49127"
    },
    {
      "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:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ref_tracker: implement use-after-free detection"
}