{
  "cveId": "CVE-2021-46991",
  "url": "https://patchblox.com/security/cve/CVE-2021-46991",
  "summary": "CVE-2021-46991 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46991, released February 28, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  i40e: Fix use-after-free in i40e_client_subtask(...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  i40e: Fix use-after-free in i40e_client_subtask()  Currently the call to i40e_client_del_instance frees the object pf-\u003Ecinst, however pf-\u003Ecinst-\u003Elan_info is being accessed after the free. Fix this by adding the missing return.  Addresses-Coverity: (\u0022Read from pointer after free\u0022)",
  "published": "2024-02-28T09:15:37Z",
  "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": 0.00239,
  "epssPercentile": 0.15043,
  "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-2021-46991",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46991",
      "released": "2024-02-28T09:15:37Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.10.38-1",
      "fix": "DEBIAN-CVE-2021-46991",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46991",
      "released": "2024-02-28T09:15:37Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.10.38-1",
      "fix": "DEBIAN-CVE-2021-46991",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46991",
      "released": "2024-02-28T09:15:37Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}