CVE-2025-68823 ublk: fix deadlock when reading partition table

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/ublk_drv.c"
    ],
    "versions": [
      {
        "version": "71f28f3136aff5890cd56de78abc673f8393cad9",
        "lessThan": "27bb79b7717b2fbb111a1c13548b2786ee712dca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71f28f3136aff5890cd56de78abc673f8393cad9",
        "lessThan": "64c0b7e2293757e8320f13434cd809f1c9257a62",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71f28f3136aff5890cd56de78abc673f8393cad9",
        "lessThan": "9bcc47343ee0ef346aa7b2b460c8ff56bd882fe7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71f28f3136aff5890cd56de78abc673f8393cad9",
        "lessThan": "0460e09a614291f06c008443f47393c37b7358e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "71f28f3136aff5890cd56de78abc673f8393cad9",
        "lessThan": "c258f5c4502c9667bccf5d76fa731ab9c96687c1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/ublk_drv.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.124",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.70",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.3",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]