{
  "cveId": "CVE-2023-1295",
  "url": "https://patchblox.com/security/cve/CVE-2023-1295",
  "summary": "CVE-2023-1295 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-1295, released June 28, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: A time-of-check to time-of-use issue exists in io_uring subsystem\u0027s IORING_OP_CLOSE operation in the Linux kernel\u0027s v...",
  "description": "A time-of-check to time-of-use issue exists in io_uring subsystem\u0027s IORING_OP_CLOSE operation in the Linux kernel\u0027s versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.",
  "published": "2023-06-28T12:15:09Z",
  "severity": "high",
  "cvss": 7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00218,
  "epssPercentile": 0.12356,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2023-1295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-1295",
      "released": "2023-06-28T12:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2023-1295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-1295",
      "released": "2023-06-28T12:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2023-1295",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-1295",
      "released": "2023-06-28T12:15:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}