{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fc2f2011d3d84b56f536b4a25a4bb2fa1b13d520"
            },
            {
              "fixed": "74ff47e6c4213fcfeba2de448d9cbda200507d22"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "057ac50638bcece64b3b436d3a61b70ed6c01a34"
            },
            {
              "fixed": "22532dd88694ed20bdd47523ffa709f166ce776b"
            },
            {
              "fixed": "8fce4cf4369c766a3293a05419500cbfde72e60d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "436cfdbc57d98808fce427d9a8d97691374989b3"
            },
            {
              "last_affected": "83d3bc866530a36a465b47cce4d2a9def2411960"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.12.54"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.6.113"
            },
            {
              "fixed": "6.7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.17.4"
            },
            {
              "fixed": "6.18"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93801.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: zero-initialize stack-allocated cifs_open_info_data\n\nStack-allocated cifs_open_info_data may contain random data.\nThis can make some fields have wrong value if they are not set later.",
  "id": "CVE-2026-93801",
  "modified": "2026-09-27T03:30:38.071527049Z",
  "published": "2026-09-24T16:02:35.496Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22532dd88694ed20bdd47523ffa709f166ce776b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74ff47e6c4213fcfeba2de448d9cbda200507d22"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8fce4cf4369c766a3293a05419500cbfde72e60d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93801.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93801"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "smb/client: zero-initialize stack-allocated cifs_open_info_data"
}