{
  "cveId": "CVE-2022-20567",
  "url": "https://patchblox.com/security/cve/CVE-2022-20567",
  "summary": "CVE-2022-20567 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-20567, released December 16, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition",
  "description": "In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel",
  "published": "2022-12-16T16:15:19Z",
  "severity": "medium",
  "cvss": 6.4,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00136,
  "epssPercentile": 0.03037,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "4.15.11-1",
      "fix": "DEBIAN-CVE-2022-20567",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-20567",
      "released": "2022-12-16T16:15:19Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.15.11-1",
      "fix": "DEBIAN-CVE-2022-20567",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-20567",
      "released": "2022-12-16T16:15:19Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "4.15.11-1",
      "fix": "DEBIAN-CVE-2022-20567",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-20567",
      "released": "2022-12-16T16:15:19Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}