{
  "cveId": "CVE-2021-26932",
  "url": "https://patchblox.com/security/cve/CVE-2021-26932",
  "summary": "CVE-2021-26932 is fixed in 11 products on 1 platform, first by ELSA-2021-9053, released February 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "kernel-uek: [5.4.17-2036.103.3.1uek]\n- xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich)  [Orabug: 32492109]  {CVE...",
  "description": "[5.4.17-2036.103.3.1uek]\n- xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich)  [Orabug: 32492109]  {CVE-2021-26930}\n- xen-scsiback: don\u0027t \u0027handle\u0027 error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}\n- xen-netback: don\u0027t \u0027handle\u0027 error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}\n- xen-blkback: don\u0027t \u0027handle\u0027 error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}\n- Xen/gntdev: correct error checking in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}\n- Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}\n- Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}\n- Xen/x86: don\u0027t bail early from clear_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]  {CVE-2021-26932}",
  "published": "2021-02-16T00:00:00Z",
  "severity": "IMPORTANT",
  "cvss": 5.5,
  "epss": 0.00346,
  "epssPercentile": 0.2826,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kernel-uek",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-container",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8",
      "fix": "ELSA-2021-9057",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9057",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-container-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8",
      "fix": "ELSA-2021-9057",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9057",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-debug-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-doc",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el8uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-tools",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el7uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-uek-tools-libs",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el7uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perf",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el7uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python-perf",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2036.103.3.1.el7uek",
      "fix": "ELSA-2021-9053",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-9053",
      "released": "2021-02-16T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}