{
  "cveId": "CVE-2026-90166",
  "url": "https://patchblox.com/security/cve/CVE-2026-90166",
  "summary": "CVE-2026-90166 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-90166, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()  See the procedure below:    ksmbd_tree_conn_connect     ksmbd_share_config_get       share-\u003Ename = kstrdup() // fail       if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false       // do not check \u0060share-\u003Ename\u0060     ksmbd_ipc_tree_connect_request       strlen(share-\u003Ename) // null-ptr-deref",
  "published": "2026-09-17T17:17:09Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "epss": 0.00206,
  "epssPercentile": 0.10761,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-90166",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.111-1",
      "fix": "DEBIAN-CVE-2026-90166",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90166",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.6-1",
      "fix": "DEBIAN-CVE-2026-90166",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90166",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux-6.12",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.12.111-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-90166",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90166",
      "released": "2026-09-23T19:19:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}