{
  "schema_version": "1.4.0",
  "id": "GHSA-9q63-hhpv-7frc",
  "modified": "2022-05-17T03:56:05Z",
  "published": "2022-05-17T03:56:05Z",
  "aliases": [
    "CVE-2015-4178"
  ],
  "details": "The fs_pin implementation in the Linux kernel before 4.0.5 does not ensure the internal consistency of a certain list data structure, which allows local users to cause a denial of service (system crash) by leveraging user-namespace root access for an MNT_DETACH umount2 system call, related to fs/fs_pin.c and include/linux/fs_pin.h.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-4178"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1249849"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953"
    },
    {
      "type": "WEB",
      "url": "http://openwall.com/lists/oss-security/2015/05/29/10"
    },
    {
      "type": "WEB",
      "url": "http://openwall.com/lists/oss-security/2015/05/29/5"
    },
    {
      "type": "WEB",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2015/06/04/5"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-02T10:59:00Z"
  }
}