drbd: use after free in drbd_create_device()

{
  "id": "81735caba20152214f7f42b1f7327ccfc5cc65a468a5b22e5f559ffcdcf3a4fa",
  "url": "https://osv.dev/vulnerability/CVE-2022-49811",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drbd: use after free in drbd_create_device()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the \"connection\" so use the _safe() iterator to prevent a use after free.",
    "evidence": "osv:CVE-2022-49811",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.300",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.267",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.225",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.156",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.80",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49811",
      "aliases": [
        "CVE-2022-49811"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                {
                  "fixed": "fc1897f16ebcfd22364f2afcc27f53a740f3bc7a"
                },
                {
                  "fixed": "bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1"
                },
                {
                  "fixed": "813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5"
                },
                {
                  "fixed": "9ed51414aef6e59e832e2960f10766dce2d5b1a1"
                },
                {
                  "fixed": "7d93417d596402ddd46bd76c721f205d09d0d025"
                },
                {
                  "fixed": "c2a00b149836d60c222930bbea6b2139caf34d4f"
                },
                {
                  "fixed": "a7a1598189228b5007369a9622ccdf587be0730f"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49811.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.15.0"
                },
                {
                  "fixed": "4.14.300"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
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                {
                  "fixed": "4.19.267"
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                {
                  "introduced": "4.20.0"
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                  "fixed": "5.4.225"
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
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                {
                  "fixed": "5.10.156"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
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                {
                  "fixed": "5.15.80"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.0.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49811.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.956263957Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025",
        "https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5",
        "https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1",
        "https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f",
        "https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1",
        "https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f",
        "https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49811.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49811",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49811.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49811",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 513979,
  "published_at": "2025-05-01T14:09:36.098+00:00"
}