{"id":"USN-8644-2","summary":"linux-gcp, linux-gcp-4.15, linux-gcp-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":"2026-08-21T05:44:34.867151723Z","published":"2026-08-20T22:31:33Z","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-8644-2"},{"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-gcp","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1189.206~16.04.1"}]}],"versions":["4.10.0-1004.4","4.10.0-1006.6","4.10.0-1007.7","4.10.0-1008.8","4.10.0-1009.9","4.13.0-1002.5","4.13.0-1006.9","4.13.0-1007.10","4.13.0-1008.11","4.13.0-1011.15","4.13.0-1012.16","4.13.0-1013.17","4.13.0-1015.19","4.13.0-1017.21","4.13.0-1019.23","4.15.0-1014.14~16.04.1","4.15.0-1015.15~16.04.1","4.15.0-1017.18~16.04.1","4.15.0-1018.19~16.04.2","4.15.0-1019.20~16.04.1","4.15.0-1021.22~16.04.1","4.15.0-1023.24~16.04.1","4.15.0-1024.25~16.04.2","4.15.0-1025.26~16.04.1","4.15.0-1026.27~16.04.1","4.15.0-1027.28~16.04.1","4.15.0-1028.29~16.04.1","4.15.0-1029.31~16.04.1","4.15.0-1030.32~16.04.1","4.15.0-1032.34~16.04.1","4.15.0-1033.35~16.04.1","4.15.0-1034.36~16.04.1","4.15.0-1036.38~16.04.1","4.15.0-1037.39~16.04.1","4.15.0-1040.42~16.04.1","4.15.0-1041.43","4.15.0-1042.44","4.15.0-1044.46","4.15.0-1046.49","4.15.0-1047.50","4.15.0-1049.52","4.15.0-1050.53","4.15.0-1052.56","4.15.0-1055.59","4.15.0-1058.62","4.15.0-1060.64","4.15.0-1061.65","4.15.0-1071.81~16.04.1","4.15.0-1077.87~16.04.1","4.15.0-1078.88~16.04.1","4.15.0-1080.90~16.04.1","4.15.0-1081.92~16.04.1","4.15.0-1083.94~16.04.1","4.15.0-1084.95~16.04.1","4.15.0-1086.98~16.04.1","4.15.0-1087.100~16.04.1","4.15.0-1088.101~16.04.1","4.15.0-1090.103~16.04.1","4.15.0-1091.104~16.04.1","4.15.0-1092.105~16.04.1","4.15.0-1093.106~16.04.1","4.15.0-1094.107~16.04.1","4.15.0-1095.108~16.04.1","4.15.0-1096.109~16.04.1","4.15.0-1097.110~16.04.1","4.15.0-1098.111~16.04.1","4.15.0-1099.112~16.04.1","4.15.0-1100.113~16.04.1","4.15.0-1103.116~16.04.1","4.15.0-1106.120~16.04.1","4.15.0-1107.121~16.04.1","4.15.0-1108.122~16.04.1","4.15.0-1109.123~16.04.1","4.15.0-1110.124~16.04.1","4.15.0-1111.125~16.04.1","4.15.0-1112.126~16.04.1","4.15.0-1114.128~16.04.1","4.15.0-1115.129~16.04.1","4.15.0-1116.130~16.04.1","4.15.0-1118.132~16.04.1","4.15.0-1119.133~16.04.1","4.15.0-1120.134~16.04.1","4.15.0-1121.135~16.04.1","4.15.0-1122.136~16.04.1","4.15.0-1124.138~16.04.1","4.15.0-1127.142~16.04.1","4.15.0-1130.146~16.04.1","4.15.0-1131.147~16.04.1","4.15.0-1134.150~16.04.2","4.15.0-1135.151~16.04.2","4.15.0-1136.152~16.04.1","4.15.0-1137.153~16.04.1","4.15.0-1138.154~16.04.1","4.15.0-1141.157~16.04.2","4.15.0-1142.158~16.04.1","4.15.0-1143.159~16.04.1","4.15.0-1146.162~16.04.1","4.15.0-1147.163~16.04.1","4.15.0-1148.164~16.04.1","4.15.0-1149.165~16.04.1","4.15.0-1150.166~16.04.1","4.15.0-1151.167~16.04.1","4.15.0-1152.168~16.04.1","4.15.0-1153.170~16.04.1","4.15.0-1154.171~16.04.1","4.15.0-1155.172~16.04.1","4.15.0-1156.173~16.04.1","4.15.0-1157.174~16.04.1","4.15.0-1158.175~16.04.1","4.15.0-1159.176~16.04.1","4.15.0-1160.177~16.04.1","4.15.0-1161.178~16.04.1","4.15.0-1162.179~16.04.1","4.15.0-1163.180~16.04.1","4.15.0-1164.181~16.04.1","4.15.0-1165.182~16.04.1","4.15.0-1166.183~16.04.1","4.15.0-1167.184~16.04.2","4.15.0-1168.185~16.04.1","4.15.0-1169.186~16.04.1","4.15.0-1170.187~16.04.1","4.15.0-1171.188~16.04.1","4.15.0-1172.189~16.04.1","4.15.0-1173.190~16.04.1","4.15.0-1174.191~16.04.1","4.15.0-1175.192~16.04.1","4.15.0-1176.193~16.04.1","4.15.0-1177.194~16.04.1","4.15.0-1178.195~16.04.1","4.15.0-1179.196~16.04.1","4.15.0-1180.197~16.04.1","4.15.0-1181.198~16.04.1","4.15.0-1182.199~16.04.1","4.15.0-1183.200~16.04.2","4.15.0-1184.201~16.04.1","4.15.0-1185.202~16.04.1","4.15.0-1187.204~16.04.1","4.15.0-1188.205~16.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"linux-buildinfo-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206~16.04.1"},{"binary_name":"linux-gcp-headers-4.15.0-1189","binary_version":"4.15.0-1189.206~16.04.1"},{"binary_version":"4.15.0-1189.206~16.04.1","binary_name":"linux-gcp-tools-4.15.0-1189"},{"binary_name":"linux-headers-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206~16.04.1"},{"binary_version":"4.15.0-1189.206~16.04.1","binary_name":"linux-image-unsigned-4.15.0-1189-gcp"},{"binary_version":"4.15.0-1189.206~16.04.1","binary_name":"linux-modules-4.15.0-1189-gcp"},{"binary_name":"linux-modules-extra-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206~16.04.1"},{"binary_name":"linux-tools-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206~16.04.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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-2026-43071"},{"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":[{"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"},{"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":[{"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"}]},{"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"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53309"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-2.json"}},{"package":{"name":"linux-gcp-4.15","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp-4.15?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1189.206"}]}],"versions":["4.15.0-1071.81","4.15.0-1077.87","4.15.0-1078.88","4.15.0-1080.90","4.15.0-1081.92","4.15.0-1083.94","4.15.0-1084.95","4.15.0-1086.98","4.15.0-1087.100","4.15.0-1088.101","4.15.0-1090.103","4.15.0-1091.104","4.15.0-1092.105","4.15.0-1093.106","4.15.0-1094.107","4.15.0-1095.108","4.15.0-1096.109","4.15.0-1097.110","4.15.0-1098.111","4.15.0-1099.112","4.15.0-1100.113","4.15.0-1103.116","4.15.0-1106.120","4.15.0-1107.121","4.15.0-1108.122","4.15.0-1109.123","4.15.0-1110.124","4.15.0-1111.125","4.15.0-1112.126","4.15.0-1114.128","4.15.0-1115.129","4.15.0-1116.130","4.15.0-1118.132","4.15.0-1119.133","4.15.0-1120.134","4.15.0-1121.135","4.15.0-1122.136","4.15.0-1124.138","4.15.0-1127.142","4.15.0-1130.146","4.15.0-1131.147","4.15.0-1134.150","4.15.0-1135.151","4.15.0-1136.152","4.15.0-1137.153","4.15.0-1138.154","4.15.0-1141.157","4.15.0-1142.158","4.15.0-1143.159","4.15.0-1145.161","4.15.0-1146.162","4.15.0-1147.163","4.15.0-1148.164","4.15.0-1149.165","4.15.0-1150.166","4.15.0-1151.167","4.15.0-1152.168","4.15.0-1153.170","4.15.0-1154.171","4.15.0-1155.172","4.15.0-1156.173","4.15.0-1157.174","4.15.0-1158.175","4.15.0-1159.176","4.15.0-1160.177","4.15.0-1161.178","4.15.0-1162.179","4.15.0-1163.180","4.15.0-1164.181","4.15.0-1165.182","4.15.0-1166.183","4.15.0-1167.184","4.15.0-1168.185","4.15.0-1169.186","4.15.0-1170.187","4.15.0-1171.188","4.15.0-1172.189","4.15.0-1173.190","4.15.0-1174.191","4.15.0-1175.192","4.15.0-1176.193","4.15.0-1177.194","4.15.0-1178.195","4.15.0-1179.196","4.15.0-1180.197","4.15.0-1181.198","4.15.0-1182.199","4.15.0-1183.200","4.15.0-1184.201","4.15.0-1185.202","4.15.0-1186.203","4.15.0-1187.204","4.15.0-1188.205"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-buildinfo-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206"},{"binary_name":"linux-gcp-4.15-headers-4.15.0-1189","binary_version":"4.15.0-1189.206"},{"binary_name":"linux-gcp-4.15-tools-4.15.0-1189","binary_version":"4.15.0-1189.206"},{"binary_name":"linux-headers-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206"},{"binary_name":"linux-image-unsigned-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206"},{"binary_name":"linux-modules-4.15.0-1189-gcp","binary_version":"4.15.0-1189.206"},{"binary_version":"4.15.0-1189.206","binary_name":"linux-modules-extra-4.15.0-1189-gcp"},{"binary_version":"4.15.0-1189.206","binary_name":"linux-tools-4.15.0-1189-gcp"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-43071"},{"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"},{"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":"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"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"critical","type":"Ubuntu"}],"id":"CVE-2026-52993"},{"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"}],"id":"CVE-2026-53043"},{"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"}]},{"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"}]},{"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"}],"id":"CVE-2026-53309"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-2.json"}},{"package":{"name":"linux-gcp-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:18.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp-fips?arch=source&distro=fips-updates%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-2097.103"}]}],"versions":["4.15.0-2013.14","4.15.0-2016.18","4.15.0-2017.19","4.15.0-2018.20","4.15.0-2019.21","4.15.0-2020.22","4.15.0-2021.23","4.15.0-2022.24","4.15.0-2024.26","4.15.0-2025.27","4.15.0-2026.28","4.15.0-2028.31","4.15.0-2029.32","4.15.0-2030.33","4.15.0-2031.34","4.15.0-2032.35","4.15.0-2034.37","4.15.0-2037.41","4.15.0-2040.45","4.15.0-2041.46","4.15.0-2043.48","4.15.0-2044.49","4.15.0-2045.50","4.15.0-2047.52","4.15.0-2050.55","4.15.0-2052.57","4.15.0-2054.59","4.15.0-2055.60","4.15.0-2056.61","4.15.0-2057.62","4.15.0-2058.63","4.15.0-2059.64","4.15.0-2060.65","4.15.0-2061.66","4.15.0-2062.67","4.15.0-2063.68","4.15.0-2064.69","4.15.0-2065.70","4.15.0-2066.71","4.15.0-2067.72","4.15.0-2068.73","4.15.0-2069.74","4.15.0-2070.75","4.15.0-2071.76","4.15.0-2072.77","4.15.0-2073.78","4.15.0-2074.79","4.15.0-2075.80","4.15.0-2076.81","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","4.15.0-2083.89","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"],"ecosystem_specific":{"binaries":[{"binary_version":"4.15.0-2097.103","binary_name":"linux-buildinfo-4.15.0-2097-gcp-fips"},{"binary_name":"linux-gcp-fips-headers-4.15.0-2097","binary_version":"4.15.0-2097.103"},{"binary_version":"4.15.0-2097.103","binary_name":"linux-gcp-fips-tools-4.15.0-2097"},{"binary_name":"linux-headers-4.15.0-2097-gcp-fips","binary_version":"4.15.0-2097.103"},{"binary_version":"4.15.0-2097.103","binary_name":"linux-image-unsigned-4.15.0-2097-gcp-fips"},{"binary_name":"linux-image-unsigned-hmac-4.15.0-2097-gcp-fips","binary_version":"4.15.0-2097.103"},{"binary_name":"linux-modules-4.15.0-2097-gcp-fips","binary_version":"4.15.0-2097.103"},{"binary_version":"4.15.0-2097.103","binary_name":"linux-modules-extra-4.15.0-2097-gcp-fips"},{"binary_name":"linux-tools-4.15.0-2097-gcp-fips","binary_version":"4.15.0-2097.103"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8644-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:FIPS-updates: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":[{"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_V4"},{"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"},{"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"},{"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":"high"}],"id":"CVE-2026-53224"},{"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"},{"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"}]},{"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"},{"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-2026-53309"}]}}}],"schema_version":"1.9.0"}