CVE-2026-72422 ksmbd: fix use-after-free of conn->preauth_info in concurrent SMB2 NEGOTIATE

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "dd4e4c811898410e6a3ae3b63207b7c542860907",
        "lessThan": "c7bef84740d1d57848c74f6f5b996606e43ea4fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "d0a469122e7bf8338fec1949fb1e8e1290ed8caa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "7470511d085af1c7a043a60e53d52b512d5a10b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "16a1ecf39c217e3d164bd32ef2a4f650abc067fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "77bb0bbfcc4e777ca653174689e5e363f8ee63d1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "1c89da3baa2b1f269178afa87dc30479b8535776",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa7253c2393f6dcd6a1468b0792f6da76edad917",
        "lessThan": "0c054227479ed7e36ebccb3a558bc0ef698264f6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a8315a5960bd2b5ffc75f44fc089e57c3b17c44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff20f1875889dbe4a67c9298e609d7c88cf6456d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.61",
        "lessThan": "5.15.212",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.18.18",
        "lessThan": "5.19",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.19.2",
        "lessThan": "5.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]