{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.18"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.19-rc1"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.",
  "id": "CVE-2018-14656",
  "modified": "2026-03-15T21:47:26.258123012Z",
  "published": "2018-10-08T22:29:00.267Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securitytracker.com/id/1041804"
    },
    {
      "type": "FIX",
      "url": "https://seclists.org/oss-sec/2018/q4/9"
    },
    {
      "type": "FIX",
      "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1650"
    },
    {
      "type": "FIX",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}