vuln-ubuntu/data/osv/usn/USN-5598-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-5598-1",
  "summary": "linux-oracle vulnerability",
  "details": "\nIt was discovered that the virtual terminal driver in the Linux kernel did\nnot properly handle VGA console font changes, leading to an out-of-bounds\nwrite. A local attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code.\n\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2021-33656"
  ],
  "related": [],
  "published": "2022-09-05T22:10:47Z",
  "modified": "2026-09-14T08:02:08Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-oracle",
        "purl": "pkg:deb/ubuntu/linux-oracle@4.15.0-1105.116?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-1105.116"
            }
          ]
        }
      ],
      "versions": [
        "4.15.0-1007.9",
        "4.15.0-1008.10",
        "4.15.0-1009.11",
        "4.15.0-1010.12",
        "4.15.0-1011.13",
        "4.15.0-1013.15",
        "4.15.0-1014.16",
        "4.15.0-1015.17",
        "4.15.0-1017.19",
        "4.15.0-1018.20",
        "4.15.0-1021.23",
        "4.15.0-1022.25",
        "4.15.0-1023.26",
        "4.15.0-1025.28",
        "4.15.0-1026.29",
        "4.15.0-1027.30",
        "4.15.0-1029.32",
        "4.15.0-1030.33",
        "4.15.0-1031.34",
        "4.15.0-1033.36",
        "4.15.0-1035.39",
        "4.15.0-1037.41",
        "4.15.0-1038.42",
        "4.15.0-1039.43",
        "4.15.0-1045.49",
        "4.15.0-1047.51",
        "4.15.0-1048.52",
        "4.15.0-1050.54",
        "4.15.0-1051.55",
        "4.15.0-1053.57",
        "4.15.0-1054.58",
        "4.15.0-1057.62",
        "4.15.0-1058.64",
        "4.15.0-1059.65",
        "4.15.0-1061.67",
        "4.15.0-1062.68",
        "4.15.0-1063.70",
        "4.15.0-1064.71",
        "4.15.0-1065.73",
        "4.15.0-1066.74",
        "4.15.0-1067.75",
        "4.15.0-1068.76",
        "4.15.0-1069.77",
        "4.15.0-1070.78",
        "4.15.0-1071.79",
        "4.15.0-1072.80",
        "4.15.0-1075.83",
        "4.15.0-1078.86",
        "4.15.0-1079.87",
        "4.15.0-1080.88",
        "4.15.0-1081.89",
        "4.15.0-1082.90",
        "4.15.0-1083.91",
        "4.15.0-1084.92",
        "4.15.0-1085.93",
        "4.15.0-1086.94",
        "4.15.0-1087.95",
        "4.15.0-1089.98",
        "4.15.0-1090.99",
        "4.15.0-1091.100",
        "4.15.0-1092.101",
        "4.15.0-1093.102",
        "4.15.0-1095.104",
        "4.15.0-1098.108",
        "4.15.0-1101.112",
        "4.15.0-1102.113",
        "4.15.0-1104.115"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-buildinfo-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-headers-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-image-unsigned-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-modules-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-modules-extra-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-oracle-headers-4.15.0-1105",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-oracle-tools-4.15.0-1105",
            "binary_version": "4.15.0-1105.116"
          },
          {
            "binary_name": "linux-tools-4.15.0-1105-oracle",
            "binary_version": "4.15.0-1105.116"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-33656",
              "severity": [
                {
                  "type": "CVSS_V4",
                  "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5598-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33656"
    }
  ]
}