{"id":"USN-8281-2","summary":"linux-azure-4.15, linux-azure-fips vulnerabilities","details":"It was discovered that the Linux kernel algif_aead module did not properly\nhandle in-place cryptographic operations. This flaw is known as Copy Fail.\nA local attacker could use this to escalate privileges, or possibly escape\na container. (CVE-2026-31431)\n\nSeveral 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  - Cryptographic API;\n  - Packet sockets;\n(CVE-2026-31504, CVE-2026-43033, CVE-2026-43077, CVE-2026-43078)\n","modified":"2026-05-23T01:33:47.506718358Z","published":"2026-05-22T19:17:13Z","related":["UBUNTU-CVE-2026-31431","UBUNTU-CVE-2026-31504","UBUNTU-CVE-2026-43033","UBUNTU-CVE-2026-43077","UBUNTU-CVE-2026-43078"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8281-2"}],"affected":[{"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":"4.15.0-1201.216"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"4.15.0-1201.216","binary_name":"linux-azure-4.15-cloud-tools-4.15.0-1201"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-azure-4.15-headers-4.15.0-1201"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-azure-4.15-tools-4.15.0-1201"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-buildinfo-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-cloud-tools-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-headers-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-image-unsigned-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-modules-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-modules-extra-4.15.0-1201-azure"},{"binary_version":"4.15.0-1201.216","binary_name":"linux-tools-4.15.0-1201-azure"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8281-2.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"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":"4.15.0-2110.116"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"4.15.0-2110.116","binary_name":"linux-azure-fips-cloud-tools-4.15.0-2110"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-azure-fips-headers-4.15.0-2110"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-azure-fips-tools-4.15.0-2110"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-buildinfo-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-cloud-tools-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-headers-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-image-unsigned-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-image-unsigned-hmac-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-modules-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-modules-extra-4.15.0-2110-azure-fips"},{"binary_version":"4.15.0-2110.116","binary_name":"linux-tools-4.15.0-2110-azure-fips"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8281-2.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:FIPS-updates:18.04:LTS"}}}],"schema_version":"1.7.5"}