{"id":"USN-8635-1","summary":"linux-azure vulnerabilities","details":"Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi\nimplementation in the Linux kernel did not properly handle aggregated\nframes in mesh networks, due to an incorrect fix for CVE-2020-24588. A\nphysically proximate attacker could use this issue to inject packets.\n(CVE-2025-27558)\n\nIt was discovered that a logic flaw existed in the XFRM ESP-in-TCP\nsubsystem in the Linux kernel when handling socket buffer fragments. This\nflaw is known as Fragnesia. A local attacker could use this to escalate\nprivileges, or possibly escape a container. (CVE-2026-43503)\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  - x86 architecture;\n  - Cryptographic API;\n  - GPU drivers;\n  - InfiniBand drivers;\n  - Media drivers;\n  - NVIDIA Tegra memory controller driver;\n  - Network drivers;\n  - STMicroelectronics network drivers;\n  - NVME drivers;\n  - SCSI subsystem;\n  - Thermal drivers;\n  - USB over IP driver;\n  - Ext4 file system;\n  - Network file system (NFS) server daemon;\n  - SMB network file system;\n  - IPv4 networking;\n  - Network traffic control;\n  - TCP network protocol;\n  - Tracing infrastructure;\n  - Locking primitives;\n  - B.A.T.M.A.N. meshing protocol;\n  - Ethernet bridge;\n  - Ceph Core library;\n  - DCCP (Datagram Congestion Control Protocol);\n  - IPv6 networking;\n  - Multipath TCP;\n  - Netfilter;\n  - RxRPC session sockets;\n  - SCTP protocol;\n  - SMC sockets;\n  - X.25 network layer;\n(CVE-2021-47202, CVE-2021-47354, CVE-2021-47378, CVE-2024-38612,\nCVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402,\nCVE-2026-31405, CVE-2026-31414, CVE-2026-31448, CVE-2026-31607,\nCVE-2026-31637, CVE-2026-31649, CVE-2026-31657, CVE-2026-31659,\nCVE-2026-31668, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011,\nCVE-2026-43037, CVE-2026-43038, CVE-2026-43198, CVE-2026-43383,\nCVE-2026-43407, CVE-2026-43414, CVE-2026-43493, CVE-2026-43499,\nCVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243,\nCVE-2026-46266, CVE-2026-46331, CVE-2026-52924, CVE-2026-52931,\nCVE-2026-52955, CVE-2026-52982, CVE-2026-52986, CVE-2026-53002,\nCVE-2026-53006, CVE-2026-53045, CVE-2026-53088, CVE-2026-53176,\nCVE-2026-53225, CVE-2026-53228, CVE-2026-53359)\n","modified":"2026-08-13T02:59:00.664006650Z","published":"2026-08-12T20:01:49Z","related":["UBUNTU-CVE-2021-47202","UBUNTU-CVE-2021-47354","UBUNTU-CVE-2021-47378","UBUNTU-CVE-2024-38612","UBUNTU-CVE-2024-56643","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-23272","UBUNTU-CVE-2026-23455","UBUNTU-CVE-2026-31402","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31607","UBUNTU-CVE-2026-31637","UBUNTU-CVE-2026-31649","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31659","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-31682","UBUNTU-CVE-2026-31685","UBUNTU-CVE-2026-43011","UBUNTU-CVE-2026-43037","UBUNTU-CVE-2026-43038","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43383","UBUNTU-CVE-2026-43407","UBUNTU-CVE-2026-43414","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-43503","UBUNTU-CVE-2026-45988","UBUNTU-CVE-2026-46043","UBUNTU-CVE-2026-46119","UBUNTU-CVE-2026-46243","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"upstream":["CVE-2021-47202","CVE-2021-47354","CVE-2021-47378","CVE-2024-38612","CVE-2024-56643","CVE-2025-27558","CVE-2026-23272","CVE-2026-23455","CVE-2026-31402","CVE-2026-31405","CVE-2026-31414","CVE-2026-31448","CVE-2026-31607","CVE-2026-31637","CVE-2026-31649","CVE-2026-31657","CVE-2026-31659","CVE-2026-31668","CVE-2026-31682","CVE-2026-31685","CVE-2026-43011","CVE-2026-43037","CVE-2026-43038","CVE-2026-43198","CVE-2026-43383","CVE-2026-43407","CVE-2026-43414","CVE-2026-43493","CVE-2026-43499","CVE-2026-43503","CVE-2026-45988","CVE-2026-46043","CVE-2026-46119","CVE-2026-46243","CVE-2026-46266","CVE-2026-46331","CVE-2026-52924","CVE-2026-52931","CVE-2026-52955","CVE-2026-52982","CVE-2026-52986","CVE-2026-53002","CVE-2026-53006","CVE-2026-53045","CVE-2026-53088","CVE-2026-53176","CVE-2026-53225","CVE-2026-53228","CVE-2026-53359","UBUNTU-CVE-2021-47202","UBUNTU-CVE-2021-47354","UBUNTU-CVE-2021-47378","UBUNTU-CVE-2024-38612","UBUNTU-CVE-2024-56643","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-23272","UBUNTU-CVE-2026-23455","UBUNTU-CVE-2026-31402","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31607","UBUNTU-CVE-2026-31637","UBUNTU-CVE-2026-31649","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31659","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-31682","UBUNTU-CVE-2026-31685","UBUNTU-CVE-2026-43011","UBUNTU-CVE-2026-43037","UBUNTU-CVE-2026-43038","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43383","UBUNTU-CVE-2026-43407","UBUNTU-CVE-2026-43414","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-43503","UBUNTU-CVE-2026-45988","UBUNTU-CVE-2026-46043","UBUNTU-CVE-2026-46119","UBUNTU-CVE-2026-46243","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8635-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47202"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47354"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47378"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38612"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-56643"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-27558"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23272"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23455"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31402"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31405"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31414"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31448"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31607"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31637"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31649"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31657"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31659"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31668"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31682"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31685"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43011"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43037"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43038"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43198"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43383"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43407"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43414"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43493"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43499"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43503"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-45988"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46043"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46119"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46243"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46266"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46331"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52924"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52931"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52955"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52982"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52986"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53002"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53006"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53045"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53088"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53176"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53225"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53228"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53359"}],"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":"4.15.0-1205.220~14.04.1"}]}],"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.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with Ubuntu Pro with Legacy support add-on: 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