{
  "cveId": "CVE-2021-47058",
  "url": "https://patchblox.com/security/cve/CVE-2021-47058",
  "summary": "CVE-2021-47058 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47058, released February 29, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  regmap: set debugfs_name to NULL after it is fre...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  regmap: set debugfs_name to NULL after it is freed  There is a upstream commit cffa4b2122f5(\u0022regmap:debugfs: Fix a memory leak when calling regmap_attach_dev\u0022) that adds a if condition when create name for debugfs_name. With below function invoking logical, debugfs_name is freed in regmap_debugfs_exit(), but it is not created again because of the if condition introduced by above commit. regmap_reinit_cache() \tregmap_debugfs_exit() \t... \tregmap_debugfs_init() So, set debugfs_name to NULL after it is freed.",
  "published": "2024-02-29T23:15:07Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00246,
  "epssPercentile": 0.15901,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.10.38-1",
      "fix": "DEBIAN-CVE-2021-47058",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47058",
      "released": "2024-02-29T23:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.10.38-1",
      "fix": "DEBIAN-CVE-2021-47058",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47058",
      "released": "2024-02-29T23:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.10.38-1",
      "fix": "DEBIAN-CVE-2021-47058",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47058",
      "released": "2024-02-29T23:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}