{"id":"USN-8644-3","summary":"linux-azure, linux-azure-4.15, linux-azure-fips vulnerabilities","details":"Several security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - File systems infrastructure;\n  - OCFS2 file system;\n  - B.A.T.M.A.N. meshing protocol;\n  - SCTP protocol;\n  - TIPC protocol;\n(CVE-2026-43071, CVE-2026-52914, CVE-2026-52993, CVE-2026-53043,\nCVE-2026-53224, CVE-2026-53246, CVE-2026-53309)\n","modified":"2026-08-31T17:27:36.479095333Z","published":"2026-08-27T21:39:06Z","related":["UBUNTU-CVE-2026-43071","UBUNTU-CVE-2026-52914","UBUNTU-CVE-2026-52993","UBUNTU-CVE-2026-53043","UBUNTU-CVE-2026-53224","UBUNTU-CVE-2026-53246","UBUNTU-CVE-2026-53309"],"upstream":["CVE-2026-43071","CVE-2026-52914","CVE-2026-52993","CVE-2026-53043","CVE-2026-53224","CVE-2026-53246","CVE-2026-53309","UBUNTU-CVE-2026-43071","UBUNTU-CVE-2026-52914","UBUNTU-CVE-2026-52993","UBUNTU-CVE-2026-53043","UBUNTU-CVE-2026-53224","UBUNTU-CVE-2026-53246","UBUNTU-CVE-2026-53309"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8644-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43071"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52914"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52993"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53043"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53224"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53246"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53309"}],"affected":[{"package":{"name":"linux-azure","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/linux-azure?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1206.221~14.04.1"}]}],"versions":["4.15.0-1023.24~14.04.1","4.15.0-1030.31~14.04.1","4.15.0-1031.32~14.04.1","4.15.0-1032.33~14.04.2","4.15.0-1035.36~14.04.2","4.15.0-1036.38~14.04.2","4.15.0-1037.39~14.04.2","4.15.0-1039.41~14.04.2","4.15.0-1040.44~14.04.1","4.15.0-1041.45~14.04.1","4.15.0-1042.46~14.04.1","4.15.0-1045.49~14.04.1","4.15.0-1046.50~14.04.1","4.15.0-1047.51~14.04.1","4.15.0-1049.54~14.04.1","4.15.0-1050.55~14.04.1","4.15.0-1051.56~14.04.1","4.15.0-1052.57~14.04.1","4.15.0-1055.60~14.04.1","4.15.0-1056.61~14.04.1","4.15.0-1057.62~14.04.1","4.15.0-1059.64~14.04.1","4.15.0-1060.65~14.04.1","4.15.0-1061.66~14.04.1","4.15.0-1063.68~14.04.1","4.15.0-1064.69~14.04.1","4.15.0-1066.71~14.04.1","4.15.0-1067.72~14.04.1","4.15.0-1069.74~14.04.1","4.15.0-1071.76~14.04.1","4.15.0-1074.79~14.04.1","4.15.0-1077.82~14.04.1","4.15.0-1082.92~14.04.1","4.15.0-1083.93~14.04.1","4.15.0-1089.99~14.04.1","4.15.0-1091.101~14.04.1","4.15.0-1092.102~14.04.1","4.15.0-1093.103~14.04.1","4.15.0-1095.105~14.04.1","4.15.0-1096.106~14.04.1","4.15.0-1098.109~14.04.1","4.15.0-1100.111~14.04.1","4.15.0-1102.113~14.04.1","4.15.0-1103.114~14.04.1","4.15.0-1106.118~14.04.1","4.15.0-1108.120~14.04.1","4.15.0-1109.121~14.04.1","4.15.0-1110.122~14.04.1","4.15.0-1111.123~14.04.1","4.15.0-1112.124~14.04.1","4.15.0-1113.126~14.04.1","4.15.0-1114.127~14.04.1","4.15.0-1115.128~14.04.1","4.15.0-1118.131~14.04.1","4.15.0-1121.134~14.04.1","4.15.0-1122.135~14.04.1","4.15.0-1123.136~14.04.1","4.15.0-1124.137~14.04.1","4.15.0-1125.138~14.04.1","4.15.0-1126.139~14.04.1","4.15.0-1127.140~14.04.1","4.15.0-1129.142~14.04.1","4.15.0-1130.143~14.04.1","4.15.0-1131.144~14.04.1","4.15.0-1133.146~14.04.1","4.15.0-1134.147~14.04.1","4.15.0-1136.149~14.04.1","4.15.0-1137.150~14.04.1","4.15.0-1138.151~14.04.1","4.15.0-1139.152~14.04.1","4.15.0-1142.156~14.04.1","4.15.0-1145.160~14.04.1","4.15.0-1146.161~14.04.1","4.15.0-1149.164~14.04.1","4.15.0-1150.165~14.04.1","4.15.0-1151.166~14.04.1","4.15.0-1153.168~14.04.1","4.15.0-1157.172~14.04.2","4.15.0-1158.173~14.04.1","4.15.0-1159.174~14.04.1","4.15.0-1162.177~14.04.1","4.15.0-1163.178~14.04.1","4.15.0-1164.179~14.04.1","4.15.0-1165.180~14.04.1","4.15.0-1166.181~14.04.1","4.15.0-1167.182~14.04.1","4.15.0-1168.183~14.04.1","4.15.0-1169.184~14.04.1","4.15.0-1170.185~14.04.1","4.15.0-1171.186~14.04.1","4.15.0-1172.187~14.04.1","4.15.0-1173.188~14.04.1","4.15.0-1174.189~14.04.1","4.15.0-1175.190~14.04.1","4.15.0-1176.191~14.04.1","4.15.0-1177.192~14.04.1","4.15.0-1178.193~14.04.1","4.15.0-1179.194~14.04.1","4.15.0-1180.195~14.04.1","4.15.0-1181.196~14.04.1","4.15.0-1182.197~14.04.1","4.15.0-1183.198~14.04.1","4.15.0-1184.199~14.04.1","4.15.0-1185.200~14.04.1","4.15.0-1186.201~14.04.1","4.15.0-1187.202~14.04.1","4.15.0-1188.203~14.04.1","4.15.0-1189.204~14.04.1","4.15.0-1190.205~14.04.1","4.15.0-1191.206~14.04.1","4.15.0-1192.207~14.04.1","4.15.0-1193.208~14.04.1","4.15.0-1194.209~14.04.1","4.15.0-1195.210~14.04.1","4.15.0-1196.211~14.04.1","4.15.0-1197.212~14.04.1","4.15.0-1199.214~14.04.1","4.15.0-1200.215~14.04.1","4.15.0-1201.216~14.04.1","4.15.0-1202.217~14.04.1","4.15.0-1205.220~14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-azure-cloud-tools-4.15.0-1206","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_name":"linux-azure-headers-4.15.0-1206","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_version":"4.15.0-1206.221~14.04.1","binary_name":"linux-azure-tools-4.15.0-1206"},{"binary_name":"linux-buildinfo-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_name":"linux-cloud-tools-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_name":"linux-headers-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_name":"linux-image-unsigned-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_name":"linux-modules-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"},{"binary_version":"4.15.0-1206.221~14.04.1","binary_name":"linux-modules-extra-4.15.0-1206-azure"},{"binary_name":"linux-tools-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~14.04.1"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-43071","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-52914"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"critical","type":"Ubuntu"}],"id":"CVE-2026-52993"},{"id":"CVE-2026-53043","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-53224"},{"id":"CVE-2026-53246","severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-53309","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-3.json"}},{"package":{"name":"linux-azure","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/linux-azure?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1206.221~16.04.1"}]}],"versions":["4.11.0-1009.9","4.11.0-1011.11","4.11.0-1013.13","4.11.0-1014.14","4.11.0-1015.15","4.11.0-1016.16","4.13.0-1005.7","4.13.0-1006.8","4.13.0-1007.9","4.13.0-1009.12","4.13.0-1011.14","4.13.0-1012.15","4.13.0-1014.17","4.13.0-1016.19","4.13.0-1018.21","4.15.0-1013.13~16.04.2","4.15.0-1014.14~16.04.1","4.15.0-1018.18~16.04.1","4.15.0-1019.19~16.04.1","4.15.0-1021.21~16.04.1","4.15.0-1022.22~16.04.1","4.15.0-1023.24~16.04.1","4.15.0-1025.26~16.04.1","4.15.0-1028.29~16.04.1","4.15.0-1030.31~16.04.1","4.15.0-1031.32~16.04.1","4.15.0-1032.33~16.04.1","4.15.0-1035.36~16.04.1","4.15.0-1036.38~16.04.1","4.15.0-1037.39~16.04.1","4.15.0-1039.43","4.15.0-1040.44","4.15.0-1041.45","4.15.0-1042.46","4.15.0-1045.49","4.15.0-1046.50","4.15.0-1047.51","4.15.0-1049.54","4.15.0-1050.55","4.15.0-1051.56","4.15.0-1052.57","4.15.0-1055.60","4.15.0-1056.61","4.15.0-1057.62","4.15.0-1059.64","4.15.0-1060.65","4.15.0-1061.66","4.15.0-1063.68","4.15.0-1064.69","4.15.0-1066.71","4.15.0-1067.72","4.15.0-1069.74","4.15.0-1071.76","4.15.0-1075.80","4.15.0-1077.82","4.15.0-1082.92~16.04.1","4.15.0-1083.93~16.04.1","4.15.0-1089.99~16.04.1","4.15.0-1091.101~16.04.1","4.15.0-1092.102~16.04.1","4.15.0-1093.103~16.04.1","4.15.0-1095.105~16.04.1","4.15.0-1096.106~16.04.1","4.15.0-1098.109~16.04.1","4.15.0-1100.111~16.04.1","4.15.0-1102.113~16.04.1","4.15.0-1103.114~16.04.1","4.15.0-1106.118~16.04.1","4.15.0-1108.120~16.04.1","4.15.0-1109.121~16.04.1","4.15.0-1110.122~16.04.1","4.15.0-1111.123~16.04.1","4.15.0-1112.124~16.04.1","4.15.0-1113.126~16.04.1","4.15.0-1114.127~16.04.1","4.15.0-1115.128~16.04.1","4.15.0-1118.131~16.04.1","4.15.0-1121.134~16.04.1","4.15.0-1122.135~16.04.1","4.15.0-1123.136~16.04.1","4.15.0-1124.137~16.04.1","4.15.0-1125.138~16.04.1","4.15.0-1126.139~16.04.1","4.15.0-1127.140~16.04.1","4.15.0-1129.142~16.04.1","4.15.0-1130.143~16.04.1","4.15.0-1131.144~16.04.1","4.15.0-1133.146~16.04.1","4.15.0-1134.147~16.04.1","4.15.0-1136.149~16.04.1","4.15.0-1137.150~16.04.1","4.15.0-1138.151~16.04.1","4.15.0-1139.152~16.04.1","4.15.0-1142.156~16.04.1","4.15.0-1145.160~16.04.1","4.15.0-1146.161~16.04.1","4.15.0-1149.164~16.04.1","4.15.0-1150.165~16.04.1","4.15.0-1151.166~16.04.1","4.15.0-1153.168~16.04.1","4.15.0-1159.174~16.04.1","4.15.0-1162.177~16.04.1","4.15.0-1163.178~16.04.1","4.15.0-1164.179~16.04.1","4.15.0-1165.180~16.04.1","4.15.0-1166.181~16.04.1","4.15.0-1167.182~16.04.1","4.15.0-1168.183~16.04.1","4.15.0-1169.184~16.04.1","4.15.0-1170.185~16.04.1","4.15.0-1171.186~16.04.1","4.15.0-1172.187~16.04.1","4.15.0-1173.188~16.04.1","4.15.0-1174.189~16.04.1","4.15.0-1175.190~16.04.1","4.15.0-1176.191~16.04.1","4.15.0-1177.192~16.04.1","4.15.0-1178.193~16.04.1","4.15.0-1179.194~16.04.1","4.15.0-1180.195~16.04.1","4.15.0-1181.196~16.04.1","4.15.0-1182.197~16.04.1","4.15.0-1183.198~16.04.1","4.15.0-1184.199~16.04.1","4.15.0-1185.200~16.04.1","4.15.0-1186.201~16.04.1","4.15.0-1187.202~16.04.1","4.15.0-1188.203~16.04.1","4.15.0-1189.204~16.04.1","4.15.0-1190.205~16.04.1","4.15.0-1191.206~16.04.1","4.15.0-1192.207~16.04.1","4.15.0-1193.208~16.04.1","4.15.0-1194.209~16.04.1","4.15.0-1195.210~16.04.1","4.15.0-1196.211~16.04.1","4.15.0-1197.212~16.04.1","4.15.0-1200.215~16.04.1","4.15.0-1204.219~16.04.1","4.15.0-1205.220~16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.15.0-1206.221~16.04.1","binary_name":"linux-azure-cloud-tools-4.15.0-1206"},{"binary_version":"4.15.0-1206.221~16.04.1","binary_name":"linux-azure-headers-4.15.0-1206"},{"binary_name":"linux-azure-tools-4.15.0-1206","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_name":"linux-buildinfo-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_name":"linux-cloud-tools-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_name":"linux-headers-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_name":"linux-image-unsigned-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_name":"linux-modules-4.15.0-1206-azure","binary_version":"4.15.0-1206.221~16.04.1"},{"binary_version":"4.15.0-1206.221~16.04.1","binary_name":"linux-modules-extra-4.15.0-1206-azure"},{"binary_version":"4.15.0-1206.221~16.04.1","binary_name":"linux-tools-4.15.0-1206-azure"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2026-43071","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2026-52914","severity":[{"score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2026-52993","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"critical"}]},{"id":"CVE-2026-53043","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-53224","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53246"},{"id":"CVE-2026-53309","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-3.json"}},{"package":{"name":"linux-azure-4.15","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-4.15?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1206.221"}]}],"versions":["4.15.0-1082.92","4.15.0-1083.93","4.15.0-1089.99","4.15.0-1091.101","4.15.0-1092.102","4.15.0-1093.103","4.15.0-1095.105","4.15.0-1096.106","4.15.0-1099.110","4.15.0-1100.111","4.15.0-1102.113","4.15.0-1103.114","4.15.0-1104.116","4.15.0-1106.118","4.15.0-1108.120","4.15.0-1109.121","4.15.0-1110.122","4.15.0-1111.123","4.15.0-1112.125","4.15.0-1113.126","4.15.0-1114.127","4.15.0-1115.128","4.15.0-1118.131","4.15.0-1121.134","4.15.0-1122.135","4.15.0-1123.136","4.15.0-1124.137","4.15.0-1125.138","4.15.0-1126.139","4.15.0-1127.140","4.15.0-1129.142","4.15.0-1130.143","4.15.0-1131.144","4.15.0-1133.146","4.15.0-1134.147","4.15.0-1136.149","4.15.0-1137.150","4.15.0-1138.151","4.15.0-1139.152","4.15.0-1142.156","4.15.0-1145.160","4.15.0-1146.161","4.15.0-1149.164","4.15.0-1150.165","4.15.0-1151.166","4.15.0-1153.168","4.15.0-1157.172","4.15.0-1158.173","4.15.0-1159.174","4.15.0-1161.176","4.15.0-1162.177","4.15.0-1163.178","4.15.0-1164.179","4.15.0-1165.180","4.15.0-1166.181","4.15.0-1167.182","4.15.0-1168.183","4.15.0-1169.184","4.15.0-1170.185","4.15.0-1171.186","4.15.0-1172.187","4.15.0-1173.188","4.15.0-1174.189","4.15.0-1175.190","4.15.0-1176.191","4.15.0-1177.192","4.15.0-1178.193","4.15.0-1179.194","4.15.0-1180.195","4.15.0-1181.196","4.15.0-1182.197","4.15.0-1183.198","4.15.0-1184.199","4.15.0-1185.200","4.15.0-1186.201","4.15.0-1187.202","4.15.0-1188.203","4.15.0-1189.204","4.15.0-1190.205","4.15.0-1191.206","4.15.0-1192.207","4.15.0-1193.208","4.15.0-1194.209","4.15.0-1195.210","4.15.0-1196.211","4.15.0-1197.212","4.15.0-1199.214","4.15.0-1200.215","4.15.0-1201.216","4.15.0-1202.217","4.15.0-1204.219","4.15.0-1205.220"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-azure-4.15-cloud-tools-4.15.0-1206","binary_version":"4.15.0-1206.221"},{"binary_name":"linux-azure-4.15-headers-4.15.0-1206","binary_version":"4.15.0-1206.221"},{"binary_version":"4.15.0-1206.221","binary_name":"linux-azure-4.15-tools-4.15.0-1206"},{"binary_name":"linux-buildinfo-4.15.0-1206-azure","binary_version":"4.15.0-1206.221"},{"binary_name":"linux-cloud-tools-4.15.0-1206-azure","binary_version":"4.15.0-1206.221"},{"binary_name":"linux-headers-4.15.0-1206-azure","binary_version":"4.15.0-1206.221"},{"binary_version":"4.15.0-1206.221","binary_name":"linux-image-unsigned-4.15.0-1206-azure"},{"binary_name":"linux-modules-4.15.0-1206-azure","binary_version":"4.15.0-1206.221"},{"binary_version":"4.15.0-1206.221","binary_name":"linux-modules-extra-4.15.0-1206-azure"},{"binary_version":"4.15.0-1206.221","binary_name":"linux-tools-4.15.0-1206-azure"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2026-43071","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2026-52914"},{"id":"CVE-2026-52993","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"critical"}]},{"id":"CVE-2026-53043","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2026-53224","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2026-53246","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-53309","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-3.json"}},{"package":{"name":"linux-azure-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:18.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-fips?arch=source&distro=fips-updates%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-2114.120"}]}],"versions":["4.15.0-1002.2","4.15.0-2006.7","4.15.0-2007.8","4.15.0-2008.9","4.15.0-2009.10","4.15.0-2012.14","4.15.0-2013.15","4.15.0-2015.17","4.15.0-2016.18","4.15.0-2017.20","4.15.0-2018.21","4.15.0-2020.23","4.15.0-2021.24","4.15.0-2022.25","4.15.0-2023.26","4.15.0-2024.27","4.15.0-2025.28","4.15.0-2026.29","4.15.0-2027.30","4.15.0-2030.33","4.15.0-2033.37","4.15.0-2034.38","4.15.0-2035.39","4.15.0-2036.40","4.15.0-2037.41","4.15.0-2038.42","4.15.0-2039.43","4.15.0-2041.45","4.15.0-2042.46","4.15.0-2043.47","4.15.0-2045.49","4.15.0-2046.50","4.15.0-2047.51","4.15.0-2048.52","4.15.0-2049.53","4.15.0-2050.54","4.15.0-2053.58","4.15.0-2056.62","4.15.0-2057.63","4.15.0-2059.65","4.15.0-2060.66","4.15.0-2062.68","4.15.0-2066.72","4.15.0-2067.73","4.15.0-2068.74","4.15.0-2070.76","4.15.0-2071.77","4.15.0-2072.78","4.15.0-2073.79","4.15.0-2074.80","4.15.0-2075.81","4.15.0-2076.82","4.15.0-2077.83","4.15.0-2078.84","4.15.0-2079.85","4.15.0-2080.86","4.15.0-2081.87","4.15.0-2082.88","4.15.0-2084.90","4.15.0-2085.91","4.15.0-2086.92","4.15.0-2087.93","4.15.0-2088.94","4.15.0-2089.95","4.15.0-2090.96","4.15.0-2091.97","4.15.0-2092.98","4.15.0-2093.99","4.15.0-2094.100","4.15.0-2095.101","4.15.0-2096.102","4.15.0-2097.103","4.15.0-2098.104","4.15.0-2099.105","4.15.0-2100.106","4.15.0-2101.107","4.15.0-2102.108","4.15.0-2104.110","4.15.0-2105.111","4.15.0-2106.112","4.15.0-2109.115","4.15.0-2110.116","4.15.0-2111.117","4.15.0-2112.118","4.15.0-2113.119"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-azure-fips-cloud-tools-4.15.0-2114","binary_version":"4.15.0-2114.120"},{"binary_name":"linux-azure-fips-headers-4.15.0-2114","binary_version":"4.15.0-2114.120"},{"binary_version":"4.15.0-2114.120","binary_name":"linux-azure-fips-tools-4.15.0-2114"},{"binary_name":"linux-buildinfo-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_version":"4.15.0-2114.120","binary_name":"linux-cloud-tools-4.15.0-2114-azure-fips"},{"binary_name":"linux-headers-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_name":"linux-image-unsigned-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_name":"linux-image-unsigned-hmac-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_name":"linux-modules-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_name":"linux-modules-extra-4.15.0-2114-azure-fips","binary_version":"4.15.0-2114.120"},{"binary_version":"4.15.0-2114.120","binary_name":"linux-tools-4.15.0-2114-azure-fips"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-3.json","cves_map":{"ecosystem":"Ubuntu:Pro:FIPS-updates:18.04:LTS","cves":[{"id":"CVE-2026-43071","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2026-52914","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"critical"}],"id":"CVE-2026-52993"},{"id":"CVE-2026-53043","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-53224","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53246"},{"id":"CVE-2026-53309","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.9.0"}