{ "schema_version": "1.7.0", "id": "LSN-0073-1", "summary": "Kernel Live Patch Security Notice", "details": "Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux\nkernel contained a type-confusion error. A physically proximate remote\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2020-12351)\n\nAndy Nguyen discovered that the Bluetooth A2MP implementation in the Linux\nkernel did not properly initialize memory in some situations. A physically\nproximate remote attacker could use this to expose sensitive information\n(kernel memory). (CVE-2020-12352)\n\nAndy Nguyen discovered that the Bluetooth HCI event packet parser in the\nLinux kernel did not properly handle event advertisements of certain sizes,\nleading to a heap-based buffer overflow. A physically proximate remote\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2020-24490)", "aliases": [], "upstream": [ "UBUNTU-CVE-2020-12351", "UBUNTU-CVE-2020-12352", "UBUNTU-CVE-2020-24490" ], "related": [], "published": "2020-10-23T07:23:57Z", "modified": "2026-11-09T22:58:09Z", "affected": [ { "package": { "ecosystem": "Ubuntu:Pro:18.04:LTS", "name": "linux-aws", "purl": "pkg:deb/ubuntu/linux-aws@4.15.0-1199.212?arch=source&distro=esm-infra/bionic" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" } ] } ], "versions": [ "4.15.0-1001.1", "4.15.0-1003.3", "4.15.0-1005.5", "4.15.0-1006.6", "4.15.0-1007.7", "4.15.0-1009.9", "4.15.0-1010.10", "4.15.0-1011.11", "4.15.0-1016.16", "4.15.0-1017.17", "4.15.0-1019.19", "4.15.0-1020.20", "4.15.0-1021.21", "4.15.0-1023.23", "4.15.0-1025.25", "4.15.0-1027.27", "4.15.0-1029.30", "4.15.0-1031.33", "4.15.0-1032.34", "4.15.0-1033.35", "4.15.0-1034.36", "4.15.0-1035.37", "4.15.0-1037.39", "4.15.0-1039.41", "4.15.0-1040.42", "4.15.0-1041.43", "4.15.0-1043.45", "4.15.0-1044.46", "4.15.0-1045.47", "4.15.0-1047.49", "4.15.0-1048.50", "4.15.0-1050.52", "4.15.0-1051.53", "4.15.0-1052.54", "4.15.0-1054.56", "4.15.0-1056.58", "4.15.0-1057.59", "4.15.0-1058.60", "4.15.0-1060.62", "4.15.0-1063.67", "4.15.0-1065.69", "4.15.0-1066.70", "4.15.0-1067.71", "4.15.0-1073.77", "4.15.0-1076.80", "4.15.0-1077.81", "4.15.0-1079.83", "4.15.0-1080.84", "4.15.0-1082.86", "4.15.0-1083.87", "4.15.0-1086.91", "4.15.0-1087.92", "4.15.0-1088.93", "4.15.0-1090.95", "4.15.0-1091.96", "4.15.0-1092.98", "4.15.0-1093.99", "4.15.0-1094.101", "4.15.0-1095.102", "4.15.0-1096.103", "4.15.0-1097.104", "4.15.0-1098.105", "4.15.0-1099.106", "4.15.0-1101.108", "4.15.0-1102.109", "4.15.0-1103.110", "4.15.0-1106.113", "4.15.0-1109.116", "4.15.0-1110.117", "4.15.0-1111.118", "4.15.0-1112.119", "4.15.0-1114.121", "4.15.0-1115.122", "4.15.0-1116.123", "4.15.0-1118.125", "4.15.0-1119.127", "4.15.0-1121.129", "4.15.0-1123.132", "4.15.0-1124.133", "4.15.0-1126.135", "4.15.0-1127.136", "4.15.0-1128.137", "4.15.0-1130.139", "4.15.0-1133.143", "4.15.0-1136.147", "4.15.0-1137.148", "4.15.0-1139.150", "4.15.0-1140.151", "4.15.0-1141.152", "4.15.0-1142.154", "4.15.0-1143.155", "4.15.0-1144.156", "4.15.0-1146.158", "4.15.0-1147.159", "4.15.0-1148.160", "4.15.0-1150.163", "4.15.0-1151.164", "4.15.0-1153.166", "4.15.0-1154.167", "4.15.0-1155.168", "4.15.0-1156.169", "4.15.0-1157.170", "4.15.0-1158.171", "4.15.0-1159.172", "4.15.0-1160.173", "4.15.0-1161.174", "4.15.0-1162.175", "4.15.0-1163.176", "4.15.0-1164.177", "4.15.0-1165.178", "4.15.0-1166.179", "4.15.0-1167.180", "4.15.0-1168.181", "4.15.0-1169.182", "4.15.0-1170.183", "4.15.0-1172.185", "4.15.0-1173.186", "4.15.0-1174.187", "4.15.0-1175.188", "4.15.0-1176.189", "4.15.0-1177.190", "4.15.0-1178.191", "4.15.0-1179.192", "4.15.0-1180.193", "4.15.0-1181.194", "4.15.0-1182.195", "4.15.0-1183.196", "4.15.0-1184.197", "4.15.0-1185.198", "4.15.0-1186.199", "4.15.0-1187.200", "4.15.0-1188.201", "4.15.0-1189.202", "4.15.0-1190.203", "4.15.0-1191.204", "4.15.0-1192.205", "4.15.0-1194.207", "4.15.0-1195.208", "4.15.0-1196.209", "4.15.0-1197.210", "4.15.0-1198.211", "4.15.0-1199.212" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_aws_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:18.04:LTS", "name": "linux", "purl": "pkg:deb/ubuntu/linux@4.15.0-122.124?arch=source&distro=bionic" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "4.15.0-122.124" } ] } ], "versions": [ "4.13.0-16.19", "4.13.0-17.20", "4.13.0-25.29", "4.13.0-32.35", "4.15.0-10.11", "4.15.0-12.13", "4.15.0-13.14", "4.15.0-15.16", "4.15.0-19.20", "4.15.0-20.21", "4.15.0-22.24", "4.15.0-23.25", "4.15.0-24.26", "4.15.0-29.31", "4.15.0-30.32", "4.15.0-32.35", "4.15.0-33.36", "4.15.0-34.37", "4.15.0-36.39", "4.15.0-38.41", "4.15.0-39.42", "4.15.0-42.45", "4.15.0-43.46", "4.15.0-44.47", "4.15.0-45.48", "4.15.0-46.49", "4.15.0-47.50", "4.15.0-48.51", "4.15.0-50.54", "4.15.0-51.55", "4.15.0-52.56", "4.15.0-54.58", "4.15.0-55.60", "4.15.0-58.64", "4.15.0-60.67", "4.15.0-62.69", "4.15.0-64.73", "4.15.0-65.74", "4.15.0-66.75", "4.15.0-69.78", "4.15.0-70.79", "4.15.0-72.81", "4.15.0-74.84", "4.15.0-76.86", "4.15.0-88.88", "4.15.0-91.92", "4.15.0-96.97", "4.15.0-99.100", "4.15.0-101.102", "4.15.0-106.107", "4.15.0-108.109", "4.15.0-109.110", "4.15.0-111.112", "4.15.0-112.113", "4.15.0-115.116", "4.15.0-117.118", "4.15.0-118.119", "4.15.0-121.123" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:18.04:LTS", "name": "linux-oem", "purl": "pkg:deb/ubuntu/linux-oem@4.15.0-1100.110?arch=source&distro=bionic" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "4.15.0-1100.110" } ] } ], "versions": [ "4.15.0-1002.3", "4.15.0-1004.5", "4.15.0-1006.9", "4.15.0-1008.11", "4.15.0-1009.12", "4.15.0-1012.15", "4.15.0-1013.16", "4.15.0-1015.18", "4.15.0-1017.20", "4.15.0-1018.21", "4.15.0-1021.24", "4.15.0-1024.29", "4.15.0-1026.31", "4.15.0-1028.33", "4.15.0-1030.35", "4.15.0-1033.38", "4.15.0-1034.39", "4.15.0-1035.40", "4.15.0-1036.41", "4.15.0-1038.43", "4.15.0-1039.44", "4.15.0-1043.48", "4.15.0-1045.50", "4.15.0-1050.57", "4.15.0-1056.65", "4.15.0-1057.66", "4.15.0-1059.68", "4.15.0-1063.72", "4.15.0-1064.73", "4.15.0-1065.75", "4.15.0-1066.76", "4.15.0-1067.77", "4.15.0-1069.79", "4.15.0-1073.83", "4.15.0-1076.86", "4.15.0-1079.89", "4.15.0-1080.90", "4.15.0-1081.91", "4.15.0-1087.97", "4.15.0-1090.100", "4.15.0-1091.101", "4.15.0-1093.103", "4.15.0-1094.104", "4.15.0-1096.106", "4.15.0-1097.107", "4.15.0-1099.109" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_4_15_0[_|\\d]+_oem_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:20.04:LTS", "name": "linux-aws", "purl": "pkg:deb/ubuntu/linux-aws@5.4.0-1167.178?arch=source&distro=esm-infra/focal" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" } ] } ], "versions": [ "5.3.0-1003.3", "5.3.0-1008.9", "5.3.0-1009.10", "5.3.0-1010.11", "5.4.0-1005.5", "5.4.0-1007.7", "5.4.0-1008.8", "5.4.0-1009.9", "5.4.0-1011.11", "5.4.0-1015.15", "5.4.0-1017.17", "5.4.0-1018.18", "5.4.0-1020.20", "5.4.0-1021.21", "5.4.0-1022.22", "5.4.0-1024.24", "5.4.0-1025.25", "5.4.0-1028.29", "5.4.0-1029.30", "5.4.0-1030.31", "5.4.0-1032.33", "5.4.0-1034.35", "5.4.0-1035.37", "5.4.0-1037.39", "5.4.0-1038.40", "5.4.0-1039.41", "5.4.0-1041.43", "5.4.0-1043.45", "5.4.0-1045.47", "5.4.0-1047.49", "5.4.0-1048.50", "5.4.0-1049.51", "5.4.0-1051.53", "5.4.0-1054.57", "5.4.0-1055.58", "5.4.0-1056.59", "5.4.0-1057.60", "5.4.0-1058.61", "5.4.0-1059.62", "5.4.0-1060.63", "5.4.0-1061.64", "5.4.0-1063.66", "5.4.0-1064.67", "5.4.0-1065.68", "5.4.0-1066.69", "5.4.0-1068.72", "5.4.0-1069.73", "5.4.0-1071.76", "5.4.0-1072.77", "5.4.0-1073.78", "5.4.0-1075.80", "5.4.0-1078.84", "5.4.0-1080.87", "5.4.0-1081.88", "5.4.0-1083.90", "5.4.0-1084.91", "5.4.0-1085.92", "5.4.0-1086.93", "5.4.0-1088.96", "5.4.0-1089.97", "5.4.0-1092.100", "5.4.0-1093.101", "5.4.0-1094.102", "5.4.0-1096.104", "5.4.0-1097.105", "5.4.0-1099.107", "5.4.0-1100.108", "5.4.0-1101.109", "5.4.0-1102.110", "5.4.0-1103.111", "5.4.0-1104.112", "5.4.0-1105.113", "5.4.0-1106.114", "5.4.0-1107.115", "5.4.0-1108.116", "5.4.0-1109.118", "5.4.0-1110.119", "5.4.0-1111.120", "5.4.0-1112.121", "5.4.0-1113.123", "5.4.0-1114.124", "5.4.0-1116.126", "5.4.0-1117.127", "5.4.0-1118.128", "5.4.0-1119.129", "5.4.0-1120.130", "5.4.0-1121.131", "5.4.0-1122.132", "5.4.0-1123.133", "5.4.0-1124.134", "5.4.0-1125.135", "5.4.0-1126.136", "5.4.0-1127.137", "5.4.0-1128.138", "5.4.0-1129.139", "5.4.0-1130.140", "5.4.0-1131.141", "5.4.0-1132.142", "5.4.0-1133.143", "5.4.0-1134.144", "5.4.0-1135.145", "5.4.0-1136.146", "5.4.0-1137.147", "5.4.0-1139.149", "5.4.0-1140.150", "5.4.0-1142.152", "5.4.0-1144.154", "5.4.0-1145.155", "5.4.0-1146.156", "5.4.0-1147.157", "5.4.0-1148.158", "5.4.0-1149.159", "5.4.0-1150.160", "5.4.0-1151.161", "5.4.0-1152.162", "5.4.0-1153.163", "5.4.0-1154.164", "5.4.0-1156.166", "5.4.0-1157.167", "5.4.0-1158.168", "5.4.0-1159.169", "5.4.0-1160.170", "5.4.0-1161.172", "5.4.0-1162.173", "5.4.0-1163.174", "5.4.0-1164.175", "5.4.0-1165.176", "5.4.0-1166.177", "5.4.0-1167.178" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_aws_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:20.04:LTS", "name": "linux-azure", "purl": "pkg:deb/ubuntu/linux-azure@5.4.0-1172.178?arch=source&distro=esm-infra/focal" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" } ] } ], "versions": [ "5.3.0-1003.3", "5.3.0-1008.9", "5.3.0-1009.10", "5.4.0-1006.6", "5.4.0-1008.8", "5.4.0-1009.9", "5.4.0-1010.10", "5.4.0-1012.12", "5.4.0-1016.16", "5.4.0-1019.19", "5.4.0-1020.20", "5.4.0-1022.22", "5.4.0-1023.23", "5.4.0-1025.25", "5.4.0-1026.26", "5.4.0-1031.32", "5.4.0-1032.33", "5.4.0-1034.35", "5.4.0-1035.36", "5.4.0-1036.38", "5.4.0-1039.41", "5.4.0-1040.42", "5.4.0-1041.43", "5.4.0-1043.45", "5.4.0-1044.46", "5.4.0-1046.48", "5.4.0-1047.49", "5.4.0-1048.50", "5.4.0-1049.51", "5.4.0-1051.53", "5.4.0-1055.57", "5.4.0-1056.58", "5.4.0-1058.60", "5.4.0-1059.62", "5.4.0-1061.64", "5.4.0-1062.65", "5.4.0-1063.66", "5.4.0-1064.67", "5.4.0-1065.68", "5.4.0-1067.70", "5.4.0-1068.71", "5.4.0-1069.72", "5.4.0-1070.73", "5.4.0-1072.75", "5.4.0-1073.76", "5.4.0-1074.77", "5.4.0-1077.80", "5.4.0-1078.81", "5.4.0-1080.83", "5.4.0-1083.87", "5.4.0-1085.90", "5.4.0-1086.91", "5.4.0-1089.94", "5.4.0-1090.95", "5.4.0-1091.96", "5.4.0-1094.100", "5.4.0-1095.101", "5.4.0-1098.104", "5.4.0-1100.106", "5.4.0-1101.107", "5.4.0-1103.109", "5.4.0-1104.110", "5.4.0-1105.111", "5.4.0-1106.112", "5.4.0-1107.113", "5.4.0-1108.114", "5.4.0-1109.115", "5.4.0-1110.116", "5.4.0-1111.117", "5.4.0-1112.118", "5.4.0-1113.119", "5.4.0-1114.120", "5.4.0-1115.122", "5.4.0-1116.123", "5.4.0-1117.124", "5.4.0-1118.125", "5.4.0-1119.126", "5.4.0-1120.127", "5.4.0-1121.128", "5.4.0-1122.129", "5.4.0-1123.130", "5.4.0-1124.131", "5.4.0-1126.133", "5.4.0-1127.134", "5.4.0-1128.135", "5.4.0-1129.136", "5.4.0-1130.137", "5.4.0-1131.138", "5.4.0-1132.139", "5.4.0-1133.140", "5.4.0-1134.141", "5.4.0-1135.142", "5.4.0-1136.143", "5.4.0-1137.144", "5.4.0-1138.145", "5.4.0-1139.146", "5.4.0-1140.147", "5.4.0-1142.149", "5.4.0-1143.150", "5.4.0-1145.152", "5.4.0-1147.154", "5.4.0-1148.155", "5.4.0-1149.156", "5.4.0-1150.157", "5.4.0-1151.158", "5.4.0-1152.159", "5.4.0-1153.160", "5.4.0-1154.161", "5.4.0-1156.163", "5.4.0-1157.164", "5.4.0-1160.166", "5.4.0-1161.167", "5.4.0-1162.168", "5.4.0-1163.169", "5.4.0-1164.170", "5.4.0-1166.172", "5.4.0-1167.173", "5.4.0-1168.174", "5.4.0-1169.175", "5.4.0-1170.176", "5.4.0-1171.177", "5.4.0-1172.178" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_azure_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:20.04:LTS", "name": "linux-gcp", "purl": "pkg:deb/ubuntu/linux-gcp@5.4.0-1170.180?arch=source&distro=esm-infra/focal" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" } ] } ], "versions": [ "5.3.0-1004.4", "5.3.0-1009.10", "5.3.0-1011.12", "5.4.0-1005.5", "5.4.0-1007.7", "5.4.0-1008.8", "5.4.0-1009.9", "5.4.0-1011.11", "5.4.0-1015.15", "5.4.0-1018.18", "5.4.0-1019.19", "5.4.0-1021.21", "5.4.0-1022.22", "5.4.0-1024.24", "5.4.0-1025.25", "5.4.0-1028.29", "5.4.0-1029.31", "5.4.0-1030.32", "5.4.0-1032.34", "5.4.0-1033.35", "5.4.0-1034.37", "5.4.0-1036.39", "5.4.0-1037.40", "5.4.0-1038.41", "5.4.0-1040.43", "5.4.0-1041.44", "5.4.0-1042.45", "5.4.0-1043.46", "5.4.0-1044.47", "5.4.0-1046.49", "5.4.0-1049.53", "5.4.0-1051.55", "5.4.0-1052.56", "5.4.0-1053.57", "5.4.0-1055.59", "5.4.0-1056.60", "5.4.0-1057.61", "5.4.0-1058.62", "5.4.0-1059.63", "5.4.0-1060.64", "5.4.0-1062.66", "5.4.0-1063.67", "5.4.0-1064.68", "5.4.0-1065.69", "5.4.0-1067.71", "5.4.0-1068.72", "5.4.0-1069.73", "5.4.0-1072.77", "5.4.0-1073.78", "5.4.0-1075.80", "5.4.0-1078.84", "5.4.0-1080.87", "5.4.0-1083.91", "5.4.0-1084.92", "5.4.0-1086.94", "5.4.0-1087.95", "5.4.0-1089.97", "5.4.0-1090.98", "5.4.0-1092.101", "5.4.0-1093.102", "5.4.0-1096.105", "5.4.0-1097.106", "5.4.0-1098.107", "5.4.0-1100.109", "5.4.0-1101.110", "5.4.0-1102.111", "5.4.0-1103.112", "5.4.0-1104.113", "5.4.0-1105.114", "5.4.0-1106.115", "5.4.0-1107.116", "5.4.0-1108.117", "5.4.0-1109.118", "5.4.0-1110.119", "5.4.0-1111.120", "5.4.0-1112.121", "5.4.0-1113.122", "5.4.0-1115.124", "5.4.0-1116.125", "5.4.0-1117.126", "5.4.0-1118.127", "5.4.0-1120.129", "5.4.0-1121.130", "5.4.0-1122.131", "5.4.0-1123.132", "5.4.0-1124.133", "5.4.0-1125.134", "5.4.0-1126.135", "5.4.0-1127.136", "5.4.0-1128.137", "5.4.0-1129.138", "5.4.0-1130.139", "5.4.0-1131.140", "5.4.0-1132.141", "5.4.0-1133.142", "5.4.0-1134.143", "5.4.0-1135.144", "5.4.0-1136.145", "5.4.0-1137.146", "5.4.0-1138.147", "5.4.0-1139.148", "5.4.0-1140.149", "5.4.0-1141.150", "5.4.0-1142.151", "5.4.0-1143.152", "5.4.0-1145.154", "5.4.0-1146.155", "5.4.0-1147.156", "5.4.0-1148.157", "5.4.0-1149.158", "5.4.0-1150.159", "5.4.0-1151.160", "5.4.0-1152.161", "5.4.0-1153.162", "5.4.0-1154.163", "5.4.0-1155.164", "5.4.0-1156.165", "5.4.0-1157.166", "5.4.0-1159.168", "5.4.0-1160.169", "5.4.0-1161.170", "5.4.0-1162.171", "5.4.0-1163.172", "5.4.0-1164.173", "5.4.0-1165.174", "5.4.0-1166.175", "5.4.0-1167.177", "5.4.0-1168.178", "5.4.0-1169.179", "5.4.0-1170.180" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gcp_(\\d+)", "module_version": "73" } }, { "package": { "ecosystem": "Ubuntu:Pro:20.04:LTS", "name": "linux", "purl": "pkg:deb/ubuntu/linux@5.4.0-52.57?arch=source&distro=focal" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "5.4.0-52.57" } ] } ], "versions": [ "5.3.0-18.19", "5.3.0-24.26", "5.4.0-9.12", "5.4.0-18.22", "5.4.0-21.25", "5.4.0-24.28", "5.4.0-25.29", "5.4.0-26.30", "5.4.0-28.32", "5.4.0-29.33", "5.4.0-31.35", "5.4.0-33.37", "5.4.0-37.41", "5.4.0-39.43", "5.4.0-40.44", "5.4.0-42.46", "5.4.0-45.49", "5.4.0-47.51", "5.4.0-48.52", "5.4.0-51.56" ], "ecosystem_specific": { "availability": "Livepatch subscription required", "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)", "module_version": "73" } } ], "references": [ { "type": "ADVISORY", "url": "https://ubuntu.com/security/notices/LSN-0073-1" }, { "type": "REPORT", "url": "https://ubuntu.com/security/CVE-2020-12351" }, { "type": "REPORT", "url": "https://ubuntu.com/security/CVE-2020-12352" }, { "type": "REPORT", "url": "https://ubuntu.com/security/CVE-2020-24490" } ] }