{
  "schema_version": "1.4.0",
  "id": "GHSA-wqqm-p6gj-wr83",
  "modified": "2023-06-30T18:31:00Z",
  "published": "2022-05-24T17:43:54Z",
  "aliases": [
    "CVE-2021-20268"
  ],
  "details": "An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20268"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923816"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA@mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210409-0006"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190",
      "CWE-20"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-09T18:15:00Z"
  }
}