ghsa-vw5q-4j3r-jcj8
Vulnerability from github
Published
2024-02-28 09:30
Modified
2024-12-09 21:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

Drivers: hv: vmbus: Use after free in __vmbus_open()

The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47049"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-28T09:15:40Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Use after free in __vmbus_open()\n\nThe \"open_info\" variable is added to the \u0026vmbus_connection.chn_msg_list,\nbut the error handling frees \"open_info\" without removing it from the\nlist.  This will result in a use after free.  First remove it from the\nlist, and then free it.",
  "id": "GHSA-vw5q-4j3r-jcj8",
  "modified": "2024-12-09T21:31:00Z",
  "published": "2024-02-28T09:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47049"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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