{
  "cveId": "CVE-2021-39685",
  "url": "https://patchblox.com/security/cve/CVE-2021-39685",
  "summary": "CVE-2021-39685 is fixed in 12 products on 1 platform, first by DEBIAN-CVE-2021-39685, released March 16, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect fla...",
  "description": "In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel",
  "published": "2022-03-16T15:15:10Z",
  "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": 0.00461,
  "epssPercentile": 0.40183,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kernel-uek",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-container",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8",
      "fix": "ELSA-2022-9245",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9245",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-container-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8",
      "fix": "ELSA-2022-9245",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9245",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-debug-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-doc",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el8uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-tools",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el7uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-tools-libs",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el7uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.15.5-2",
      "fix": "DEBIAN-CVE-2021-39685",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-39685",
      "released": "2022-03-16T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.15.5-2",
      "fix": "DEBIAN-CVE-2021-39685",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-39685",
      "released": "2022-03-16T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.15.5-2",
      "fix": "DEBIAN-CVE-2021-39685",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-39685",
      "released": "2022-03-16T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "perf",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el7uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python-perf",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2136.305.5.3.el7uek",
      "fix": "ELSA-2022-9244",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-9244",
      "released": "2022-03-23T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}