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CVE-2022-50092 dm thin: fix use-after-free crash in dm_sm_register_threshold_callback

🗓️ 18 Jun 2025 11:02:31Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Fix for CVE-2022-50092 addresses use-after-free in dm_sm_register_threshold_callback.

Related
Affected
Refs
[
  {
    "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",
      "drivers/md/dm-thin.c"
    ],
    "versions": [
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "05cef0999b3208b5a6ede1bfac855139e4de55ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "5e2cf705155a1514be3c96ea664a9cd356998ee7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "f83131a3071a0b61a4d7dca70f95adb3ffad920e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "1a199fa9217d28511ff88529238fd9980ea64cf3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "e4dbe24f4bfd8377e7ba79fdcdb7c4d6eb1c6790",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac8c3f3df65e487bbcabf274eeeb9cd222f5da1e",
        "lessThan": "3534e5a5ed2997ca1b00f44a0378a075bd05e8a3",
        "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",
      "drivers/md/dm-thin.c"
    ],
    "versions": [
      {
        "version": "3.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.211",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.137",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.61",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.18",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.2",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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