{
  "cveId": "CVE-2023-21255",
  "url": "https://patchblox.com/security/cve/CVE-2023-21255",
  "summary": "CVE-2023-21255 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-21255, released July 13, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In multiple functions of binder.c, there is a possible memory corruption due to a use after free",
  "description": "In multiple functions of binder.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.",
  "published": "2023-07-13T00:15:24Z",
  "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": 0.00181,
  "epssPercentile": 0.07706,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.37-1",
      "fix": "DEBIAN-CVE-2023-21255",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-21255",
      "released": "2023-07-13T00:15:24Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-21255",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-21255",
      "released": "2023-07-13T00:15:24Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-21255",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-21255",
      "released": "2023-07-13T00:15:24Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}