CVE-2026-90169 ksmbd: free preauth sessions on connection teardown

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/connection.c",
      "fs/smb/server/mgmt/user_session.c",
      "fs/smb/server/mgmt/user_session.h",
      "fs/smb/server/smb2ops.c"
    ],
    "versions": [
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "effcf48d79d8aa53113d8289e140746f25ceb62c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "b62b1ebb25f0a19067ed5b1a86036b2dc98be44f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "a41a98ee16ae038751b6639decadaa3ce15ca18a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "8e2ebc77678832e981adc008d25cd8f67d08ebc4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "06c7b1d731bc105a8644f1b70165ba8b9416cbab",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/connection.c",
      "fs/smb/server/mgmt/user_session.c",
      "fs/smb/server/mgmt/user_session.h",
      "fs/smb/server/smb2ops.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]