{"id":"USN-8667-1","summary":"linux-kvm 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\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  - InfiniBand drivers;\n  - Media drivers;\n  - NVIDIA Tegra memory controller driver;\n  - Network drivers;\n  - NVME drivers;\n  - File systems infrastructure;\n  - Ext4 file system;\n  - Network file system (NFS) server daemon;\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  - Ceph Core library;\n  - IPv6 networking;\n  - Multipath TCP;\n  - Netfilter;\n  - RxRPC session sockets;\n  - SCTP protocol;\n  - SMC sockets;\n  - TIPC protocol;\n(CVE-2021-47378, CVE-2026-23392, CVE-2026-31402, CVE-2026-31405,\nCVE-2026-31414, CVE-2026-31448, CVE-2026-31657, CVE-2026-31668,\nCVE-2026-43037, CVE-2026-43071, CVE-2026-43198, CVE-2026-43493,\nCVE-2026-43499, CVE-2026-45988, CVE-2026-46119, CVE-2026-46135,\nCVE-2026-46266, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924,\nCVE-2026-52931, CVE-2026-52955, CVE-2026-52958, CVE-2026-52982,\nCVE-2026-52986, CVE-2026-52989, CVE-2026-52993, CVE-2026-52999,\nCVE-2026-53002, CVE-2026-53006, CVE-2026-53045, CVE-2026-53088,\nCVE-2026-53176, CVE-2026-53212, CVE-2026-53228, CVE-2026-53359)\n","modified":"2026-08-22T06:15:42.362937891Z","published":"2026-08-21T19:27:34Z","related":["UBUNTU-CVE-2021-47378","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-23392","UBUNTU-CVE-2026-31402","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-43037","UBUNTU-CVE-2026-43071","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-45988","UBUNTU-CVE-2026-46119","UBUNTU-CVE-2026-46135","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52914","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52958","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-52989","UBUNTU-CVE-2026-52993","UBUNTU-CVE-2026-52999","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53212","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"upstream":["CVE-2021-47378","CVE-2025-27558","CVE-2026-23392","CVE-2026-31402","CVE-2026-31405","CVE-2026-31414","CVE-2026-31448","CVE-2026-31657","CVE-2026-31668","CVE-2026-43037","CVE-2026-43071","CVE-2026-43198","CVE-2026-43493","CVE-2026-43499","CVE-2026-45988","CVE-2026-46119","CVE-2026-46135","CVE-2026-46266","CVE-2026-46331","CVE-2026-52914","CVE-2026-52924","CVE-2026-52931","CVE-2026-52955","CVE-2026-52958","CVE-2026-52982","CVE-2026-52986","CVE-2026-52989","CVE-2026-52993","CVE-2026-52999","CVE-2026-53002","CVE-2026-53006","CVE-2026-53045","CVE-2026-53088","CVE-2026-53176","CVE-2026-53212","CVE-2026-53228","CVE-2026-53359","UBUNTU-CVE-2021-47378","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-23392","UBUNTU-CVE-2026-31402","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-43037","UBUNTU-CVE-2026-43071","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-45988","UBUNTU-CVE-2026-46119","UBUNTU-CVE-2026-46135","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52914","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52958","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-52989","UBUNTU-CVE-2026-52993","UBUNTU-CVE-2026-52999","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53212","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8667-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47378"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-27558"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23392"},{"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-2026-31657"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31668"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43037"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43071"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43198"},{"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-2026-45988"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46119"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46135"},{"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-2026-52914"},{"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-2026-52958"},{"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-2026-52989"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52993"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52999"},{"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-2026-53212"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53228"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53359"}],"affected":[{"package":{"name":"linux-kvm","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/linux-kvm?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1149.158"}]}],"versions":["5.3.0-1003.3","5.3.0-1008.9","5.3.0-1009.10","5.4.0-1004.4","5.4.0-1006.6","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","5.4.0-1020.20","5.4.0-1021.21","5.4.0-1023.23","5.4.0-1024.24","5.4.0-1026.27","5.4.0-1028.29","5.4.0-1030.31","5.4.0-1031.32","5.4.0-1032.33","5.4.0-1033.34","5.4.0-1034.35","5.4.0-1036.37","5.4.0-1037.38","5.4.0-1038.39","5.4.0-1039.40","5.4.0-1040.41","5.4.0-1041.42","5.4.0-1044.46","5.4.0-1045.47","5.4.0-1046.48","5.4.0-1047.49","5.4.0-1048.50","5.4.0-1049.51","5.4.0-1050.52","5.4.0-1051.53","5.4.0-1053.55","5.4.0-1054.56","5.4.0-1055.57","5.4.0-1056.58","5.4.0-1058.61","5.4.0-1059.62","5.4.0-1061.64","5.4.0-1062.65","5.4.0-1063.66","5.4.0-1065.68","5.4.0-1068.72","5.4.0-1070.75","5.4.0-1071.76","5.4.0-1073.78","5.4.0-1074.79","5.4.0-1075.80","5.4.0-1076.81","5.4.0-1078.84","5.4.0-1079.85","5.4.0-1082.88","5.4.0-1083.89","5.4.0-1084.90","5.4.0-1086.92","5.4.0-1087.93","5.4.0-1088.94","5.4.0-1089.95","5.4.0-1090.96","5.4.0-1091.97","5.4.0-1092.98","5.4.0-1093.99","5.4.0-1094.100","5.4.0-1095.101","5.4.0-1096.102","5.4.0-1097.103","5.4.0-1098.104","5.4.0-1099.105","5.4.0-1100.106","5.4.0-1101.107","5.4.0-1102.108","5.4.0-1103.110","5.4.0-1104.111","5.4.0-1105.112","5.4.0-1106.113","5.4.0-1107.114","5.4.0-1108.115","5.4.0-1109.116","5.4.0-1110.117","5.4.0-1111.118","5.4.0-1112.119","5.4.0-1113.120","5.4.0-1114.121","5.4.0-1115.122","5.4.0-1116.123","5.4.0-1117.124","5.4.0-1118.125","5.4.0-1119.127","5.4.0-1120.128","5.4.0-1121.129","5.4.0-1122.130","5.4.0-1123.131","5.4.0-1124.132","5.4.0-1125.133","5.4.0-1126.134","5.4.0-1127.136","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","5.4.0-1143.152","5.4.0-1144.153","5.4.0-1145.154","5.4.0-1146.155","5.4.0-1147.156","5.4.0-1148.157"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-1149.158","binary_name":"linux-buildinfo-5.4.0-1149-kvm"},{"binary_name":"linux-headers-5.4.0-1149-kvm","binary_version":"5.4.0-1149.158"},{"binary_name":"linux-image-unsigned-5.4.0-1149-kvm","binary_version":"5.4.0-1149.158"},{"binary_name":"linux-kvm-headers-5.4.0-1149","binary_version":"5.4.0-1149.158"},{"binary_name":"linux-kvm-tools-5.4.0-1149","binary_version":"5.4.0-1149.158"},{"binary_version":"5.4.0-1149.158","binary_name":"linux-modules-5.4.0-1149-kvm"},{"binary_version":"5.4.0-1149.158","binary_name":"linux-tools-5.4.0-1149-kvm"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8667-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2021-47378","severity":[{"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":"low"}]},{"id":"CVE-2025-27558","severity":[{"score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-23392","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"high","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/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:L/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"},{"score":"critical","type":"Ubuntu"}],"id":"CVE-2026-31402"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/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":"high","type":"Ubuntu"}],"id":"CVE-2026-31405"},{"id":"CVE-2026-31414","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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":"high","type":"Ubuntu"}]},{"id":"CVE-2026-31448","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H"},{"score":"low","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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-2026-31657"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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-2026-31668"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:H/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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"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":"critical"}],"id":"CVE-2026-43037"},{"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"}]},{"id":"CVE-2026-43198","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: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":"high"}]},{"id":"CVE-2026-43493","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/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":"high"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-43499"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"id":"CVE-2026-45988"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/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-2026-46119"},{"id":"CVE-2026-46135","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"critical","type":"Ubuntu"}]},{"id":"CVE-2026-46266","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/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:N/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-46331"},{"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-2026-52924","s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