{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d2c127197dfc0b2bae62a52e1e0d3e3ff493919e"
            },
            {
              "fixed": "ed03d547598c92a036f20e89156540995cac889a"
            },
            {
              "fixed": "70a7918fda54a06d836acc91eb9a3c7e860fe0a0"
            },
            {
              "fixed": "3c07deb26273155c180aedfd9041ab58015d2521"
            },
            {
              "fixed": "e66cf1625ec4a3fe68346119f371def713fd0a4d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.6.0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.56"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98451.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: use finish_no_open() for non-regular inodes\n\nAn O_CREAT open can find an existing symlink or another non-regular\ninode. cifs_atomic_open() calls finish_open() on it and attaches a\ncifsFileInfo. Symlink inodes have no CIFS release operation, so the\ndentry reference held by cifsFileInfo is leaked. FMODE_OPENED also\nprevents the VFS from following the symlink.\n\nTrack whether cifs_do_create() returned an open server handle. For\nnon-regular inodes, close the handle if present, remove the pending\nopen, and call finish_no_open() so the VFS can continue the lookup.\nDo not set FMODE_CREATED unless a regular file was opened. For\nO_NOFOLLOW with __O_REGULAR, return -ELOOP before the VFS's\n-EFTYPE check.\n\nDefer closing a legacy POSIX handle on a non-regular inode until\nafter inode lookup. This avoids closing it again if lookup fails.",
  "id": "CVE-2026-98451",
  "modified": "2026-10-19T02:30:24.525970065Z",
  "published": "2026-10-18T15:15:01.473Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c07deb26273155c180aedfd9041ab58015d2521"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/70a7918fda54a06d836acc91eb9a3c7e860fe0a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e66cf1625ec4a3fe68346119f371def713fd0a4d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed03d547598c92a036f20e89156540995cac889a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98451.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98451"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "smb: client: use finish_no_open() for non-regular inodes"
}