{"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","modified":"2026-02-10T04:42:46Z","published":"2022-09-05T22:10:47Z","related":["UBUNTU-CVE-2021-33656"],"upstream":["CVE-2021-33656","UBUNTU-CVE-2021-33656"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5598-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33656"}],"affected":[{"package":{"name":"linux-oracle","ecosystem":"Ubuntu:18.04:LTS","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":{"availability":"No subscription required","binaries":[{"binary_version":"4.15.0-1105.116","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"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-33656"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5598-1.json"}}],"schema_version":"1.7.3"}