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CVE-2022-50843

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

dm clone: Fix UAF in clone_dtr()

Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent.

Therefore, cancelling timer again in clone_dtr().

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-50843",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "520b56cfd9faee7683f081c3a38f11a81b13a68e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "342cfd8426dff4228e6c714bcb9fc8295a2748dd",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "856edd0e92f3fe89606b704c86a93daedddfe6ec",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "b1ddb666073bb5f36390aaabaa1a4d48d78c52ed",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
              "lessThan": "e4b5957c6f749a501c464f92792f1c8e26b61a94",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/md/dm-clone-target.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.163",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.87",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.18",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.4",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/md/dm-clone-target.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:15:58.903",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm clone: Fix UAF in clone_dtr()\n\nDm_clone also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in clone_dtr()."
    }
  ],
  "lastModified": "2026-06-17T05:24:16.963",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}