{
  "cveId": "CVE-2026-71226",
  "url": "https://patchblox.com/security/cve/CVE-2026-71226",
  "summary": "CVE-2026-71226 is fixed in 3 products on 1 platform, first by RHSA-2026:69285, released August 5, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi\u0027s one-shot aio path",
  "description": "Memory Corruption via Uncanceled AIO Requests on Error: libkcapi\u0027s one-shot AIO path can return an error before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output buffers.",
  "published": "2026-08-05T12:22:09Z",
  "severity": "Important",
  "cvss": 7.3,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
  "cwe": "Use After Free",
  "epss": 0.00147,
  "epssPercentile": 0.03972,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71226",
  "fixes": [
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "Debian 14",
      "fixedVersion": "1.5.1-1",
      "fix": "DEBIAN-CVE-2026-71226",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-71226",
      "released": "2026-08-05T13:24:47Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "RHEL 10",
      "fixedVersion": "1.5.0-6.el10_0",
      "fix": "RHSA-2026:69285",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-69285",
      "released": "2026-08-05T12:29:09Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.0-3.el8_10",
      "fix": "RHSA-2026:67266",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67266",
      "released": "2026-09-19T18:31:30Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "RHEL 9",
      "fixedVersion": "0:1.4.0-3.el9_8",
      "fix": "RHSA-2026:67265",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67265",
      "released": "2026-09-19T18:32:55Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "almalinux 10",
      "fixedVersion": "1.5.1-1.el10_2",
      "fix": "ALSA-2026:67267",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67267",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "almalinux 8",
      "fixedVersion": "1.4.0-3.el8_10",
      "fix": "ALSA-2026:67266",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67266",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "almalinux 9",
      "fixedVersion": "1.4.0-3.el9_8",
      "fix": "ALSA-2026:67265",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67265",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "ol 10",
      "fixedVersion": "0:1.5.1-1.0.1.el10_2",
      "fix": "ELSA-2026-67267-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67267-0",
      "released": "2026-09-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "ol 8",
      "fixedVersion": "0:1.4.0-3.0.1.el8_10",
      "fix": "ELSA-2026-67266-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67266-0",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "ol 9",
      "fixedVersion": "0:1.4.0-3.0.1.el9_8",
      "fix": "ELSA-2026-67265-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67265-0",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "rocky 10",
      "fixedVersion": "0:1.5.1-1.el10_2",
      "fix": "RLSA-2026:67267",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-67267",
      "released": "2026-09-15T12:09:36Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "rocky 8",
      "fixedVersion": "0:1.4.0-3.el8_10",
      "fix": "RLSA-2026:67266",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-67266",
      "released": "2026-09-15T06:01:06Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi",
      "release": "rocky 9",
      "fixedVersion": "0:1.4.0-3.el9_8",
      "fix": "RLSA-2026:67265",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-67265",
      "released": "2026-09-15T18:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hasher",
      "release": "almalinux 10",
      "fixedVersion": "1.5.1-1.el10_2",
      "fix": "ALSA-2026:67267",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67267",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hasher",
      "release": "ol 10",
      "fixedVersion": "0:1.5.1-1.0.1.el10_2",
      "fix": "ELSA-2026-67267-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67267-0",
      "released": "2026-09-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "RHEL 8",
      "fixedVersion": "0:1.4.0-3.el8_10",
      "fix": "RHSA-2026:67266",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67266",
      "released": "2026-09-19T18:31:30Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "RHEL 9",
      "fixedVersion": "0:1.4.0-3.el9_8",
      "fix": "RHSA-2026:67265",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67265",
      "released": "2026-09-19T18:32:55Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "almalinux 10",
      "fixedVersion": "1.5.1-1.el10_2",
      "fix": "ALSA-2026:67267",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67267",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "almalinux 8",
      "fixedVersion": "1.4.0-3.el8_10",
      "fix": "ALSA-2026:67266",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67266",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "almalinux 9",
      "fixedVersion": "1.4.0-3.el9_8",
      "fix": "ALSA-2026:67265",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-67265",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "ol 10",
      "fixedVersion": "0:1.5.1-1.0.1.el10_2",
      "fix": "ELSA-2026-67267-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67267-0",
      "released": "2026-09-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "ol 8",
      "fixedVersion": "0:1.4.0-3.0.1.el8_10",
      "fix": "ELSA-2026-67266-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67266-0",
      "released": "2026-09-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libkcapi-hmaccalc",
      "release": "ol 9",
      "fixedVersion": "0:1.4.0-3.0.1.el9_8",
      "fix": "ELSA-2026-67265-0",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-67265-0",
      "released": "2026-09-14T00:00:00Z"
    }
  ],
  "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"
  }
}