{
  "schema_version": "1.4.0",
  "id": "GHSA-j26f-m94f-4hr4",
  "modified": "2022-03-31T00:00:41Z",
  "published": "2022-03-24T00:00:18Z",
  "aliases": [
    "CVE-2021-4149"
  ],
  "details": "A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/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-2021-4149"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026485"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "https://lkml.org/lkml/2021/10/18/885"
    },
    {
      "type": "WEB",
      "url": "https://lkml.org/lkml/2021/9/13/2565"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-03-23T20:15:00Z"
  }
}