CVE-2026-31609 smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smbdirect.c"
    ],
    "versions": [
      {
        "version": "cca0526ef2344cab6944d7f441fc24e152da031b",
        "lessThan": "a9940dcbe5cb92482c04efc7341039ddf7dbf607",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "37b5c06956183b65e6808b509cf637632016cdf7",
        "lessThan": "22b7c1c619d808aec4cad3dc42103345e370d107",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "21538121efe6c8c5b51c742fa02cbe820bc48714",
        "lessThan": "f9a162c2bbcd0ac85bd07c5b37cf20286048b65c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "21538121efe6c8c5b51c742fa02cbe820bc48714",
        "lessThan": "27b7c3e916218b5eb2ee350211140e961bfc49be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.18.11",
        "lessThan": "6.18.24",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.1",
        "lessThan": "6.19.14",
        "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/client/smbdirect.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]