CVE-2022-50534 dm thin: Use last transaction's pmd->root when commit failed

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/dm-thin-metadata.c"
    ],
    "versions": [
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "b35a22760aa5008d82533e59b0f0b5eb1b02d4e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "87d69b8824ca9b090f5a8ed47f758e8f6eecb871",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "3db757ffdd87ed8d7118b2250236a496502a660f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "f758987ff0af3a4b5ee69e95cab6a5294e4367b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "94f01ecc2aa0be992865acc80ebb6701f731f955",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "4b710e8481ade7c9200e94d3018e99dc42a0a0e8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "a63ce4eca86fd207e3db07c00fb7ccf4adf1b230",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "b91f481300e3a10eaf66b94fc39b740928762aaf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "991d9fa02da0dd1f843dc011376965e0c8c6c9b5",
        "lessThan": "7991dbff6849f67e823b7cc0c15e5a90b0549b9f",
        "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/md/dm-thin-metadata.c"
    ],
    "versions": [
      {
        "version": "3.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.337",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.303",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.87",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.18",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.4",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]