{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.1.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "18.04"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a configuration option offered to end users. Even when setuid is used, other factors (such as C library configuration) may block exploitability.",
  "id": "CVE-2019-20795",
  "modified": "2026-03-14T13:52:02.314334352Z",
  "published": "2020-05-09T21:15:10.913Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202008-06"
    },
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/4357-1/"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1171452"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=9bf2c538a0eb10d66e2365a655bf6c52f5ba3d10"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}