ghsa-6434-jhwc-gm9v
Vulnerability from github
Published
2022-05-14 03:27
Modified
2022-05-14 03:27
Details

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2017-18224"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-03-12T03:29:00Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.",
  "id": "GHSA-6434-jhwc-gm9v",
  "modified": "2022-05-14T03:27:48Z",
  "published": "2022-05-14T03:27:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18224"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917f"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4188"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56d41eef5595035872a2ec5a483f42e8917f"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103353"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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