{"id":"USN-5572-1","summary":"linux-aws vulnerabilities","details":"Roger Pau Monné discovered that the Xen virtual block driver in the Linux\nkernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monné discovered that the Xen paravirtualization frontend in the\nLinux kernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux\nkernel incorrectly shared unrelated data when communicating with certain\nbackends. A local attacker could use this to cause a denial of service\n(guest crash) or expose sensitive information (guest kernel memory).\n(CVE-2022-33741)\n\n","modified":"2026-02-10T04:42:45Z","published":"2022-08-18T17:40:41Z","related":["UBUNTU-CVE-2022-26365","UBUNTU-CVE-2022-33740","UBUNTU-CVE-2022-33741"],"upstream":["CVE-2022-26365","CVE-2022-33740","CVE-2022-33741","UBUNTU-CVE-2022-26365","UBUNTU-CVE-2022-33740","UBUNTU-CVE-2022-33741"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5572-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-26365"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33740"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33741"}],"affected":[{"package":{"name":"linux-aws","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/linux-aws@4.4.0-1148.163?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1148.163"}]}],"versions":["4.4.0-1001.10","4.4.0-1003.12","4.4.0-1004.13","4.4.0-1007.16","4.4.0-1009.18","4.4.0-1011.20","4.4.0-1012.21","4.4.0-1013.22","4.4.0-1016.25","4.4.0-1017.26","4.4.0-1018.27","4.4.0-1020.29","4.4.0-1022.31","4.4.0-1026.35","4.4.0-1028.37","4.4.0-1030.39","4.4.0-1031.40","4.4.0-1032.41","4.4.0-1035.44","4.4.0-1037.46","4.4.0-1038.47","4.4.0-1039.48","4.4.0-1041.50","4.4.0-1043.52","4.4.0-1044.53","4.4.0-1047.56","4.4.0-1048.57","4.4.0-1049.58","4.4.0-1050.59","4.4.0-1052.61","4.4.0-1054.63","4.4.0-1055.64","4.4.0-1057.66","4.4.0-1060.69","4.4.0-1061.70","4.4.0-1062.71","4.4.0-1063.72","4.4.0-1065.75","4.4.0-1066.76","4.4.0-1067.77","4.4.0-1069.79","4.4.0-1070.80","4.4.0-1072.82","4.4.0-1073.83","4.4.0-1074.84","4.4.0-1075.85","4.4.0-1077.87","4.4.0-1079.89","4.4.0-1081.91","4.4.0-1083.93","4.4.0-1084.94","4.4.0-1085.96","4.4.0-1087.98","4.4.0-1088.99","4.4.0-1090.101","4.4.0-1092.103","4.4.0-1094.105","4.4.0-1095.106","4.4.0-1096.107","4.4.0-1098.109","4.4.0-1099.110","4.4.0-1100.111","4.4.0-1101.112","4.4.0-1102.113","4.4.0-1104.115","4.4.0-1105.116","4.4.0-1106.117","4.4.0-1107.118","4.4.0-1109.120","4.4.0-1110.121","4.4.0-1111.123","4.4.0-1112.124","4.4.0-1113.126","4.4.0-1114.127","4.4.0-1117.131","4.4.0-1118.132","4.4.0-1119.133","4.4.0-1121.135","4.4.0-1122.136","4.4.0-1123.137","4.4.0-1124.138","4.4.0-1126.140","4.4.0-1127.141","4.4.0-1128.142","4.4.0-1129.143","4.4.0-1130.144","4.4.0-1131.145","4.4.0-1132.146","4.4.0-1133.147","4.4.0-1134.148","4.4.0-1135.149","4.4.0-1137.151","4.4.0-1138.152","4.4.0-1139.153","4.4.0-1140.154","4.4.0-1143.158","4.4.0-1145.160","4.4.0-1146.161","4.4.0-1147.162"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.0-1148.163","binary_name":"linux-aws-cloud-tools-4.4.0-1148"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-aws-headers-4.4.0-1148"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-aws-tools-4.4.0-1148"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-buildinfo-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-cloud-tools-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-headers-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-image-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-modules-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-modules-extra-4.4.0-1148-aws"},{"binary_version":"4.4.0-1148.163","binary_name":"linux-tools-4.4.0-1148-aws"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-26365"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-33740"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-33741"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5572-1.json"}}],"schema_version":"1.7.3"}