{"id":"USN-8851-2","summary":"linux-raspi-5.4 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  - Network file system (NFS) server daemon;\n  - IPv6 networking;\n  - Netfilter;\n(CVE-2025-38724, CVE-2026-53131, CVE-2026-53221)\n","modified":"2026-10-02T12:27:34.588831205Z","published":"2026-10-02T06:30:35Z","related":["UBUNTU-CVE-2025-38724","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53221"],"upstream":["CVE-2025-38724","CVE-2026-53131","CVE-2026-53221","UBUNTU-CVE-2025-38724","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53221"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8851-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38724"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53131"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53221"}],"affected":[{"package":{"name":"linux-raspi-5.4","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi-5.4?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1147.160~18.04.1"}]}],"versions":["5.4.0-1013.13~18.04.1","5.4.0-1015.15~18.04.1","5.4.0-1016.17~18.04.1","5.4.0-1018.20~18.04.1","5.4.0-1019.21~18.04.1","5.4.0-1021.24~18.04.1","5.4.0-1022.25~18.04.1","5.4.0-1023.26~18.04.1","5.4.0-1025.28~18.04.1","5.4.0-1026.29~18.04.1","5.4.0-1028.31~18.04.1","5.4.0-1029.32~18.04.1","5.4.0-1030.33~18.04.1","5.4.0-1032.35~18.04.1","5.4.0-1033.36~18.04.1","5.4.0-1034.37~18.04.1","5.4.0-1035.38~18.04.1","5.4.0-1036.39~18.04.1","5.4.0-1038.41~18.04.1","5.4.0-1041.45~18.04.1","5.4.0-1042.46~18.04.3","5.4.0-1043.47~18.04.1","5.4.0-1044.48~18.04.1","5.4.0-1045.49~18.04.1","5.4.0-1046.50~18.04.1","5.4.0-1047.52~18.04.1","5.4.0-1048.53~18.04.1","5.4.0-1050.56~18.04.1","5.4.0-1052.58~18.04.1","5.4.0-1053.60~18.04.1","5.4.0-1055.62~18.04.1","5.4.0-1056.63~18.04.1","5.4.0-1058.65~18.04.1","5.4.0-1059.66~18.04.1","5.4.0-1060.68~18.04.1","5.4.0-1062.70~18.04.1","5.4.0-1065.75~18.04.1","5.4.0-1066.76~18.04.1","5.4.0-1068.78~18.04.1","5.4.0-1069.79~18.04.1","5.4.0-1070.80~18.04.1","5.4.0-1071.81~18.04.1","5.4.0-1073.84~18.04.1","5.4.0-1074.85~18.04.1","5.4.0-1077.88~18.04.2","5.4.0-1078.89~18.04.1","5.4.0-1079.90~18.04.1","5.4.0-1080.91~18.04.1","5.4.0-1081.92~18.04.1","5.4.0-1082.93~18.04.1","5.4.0-1083.94~18.04.1","5.4.0-1084.95~18.04.1","5.4.0-1085.96~18.04.1","5.4.0-1086.97~18.04.1","5.4.0-1088.99~18.04.1","5.4.0-1089.100~18.04.1","5.4.0-1090.101~18.04.1","5.4.0-1091.102~18.04.1","5.4.0-1092.103~18.04.1","5.4.0-1093.104~18.04.1","5.4.0-1094.105~18.04.1","5.4.0-1095.106~18.04.1","5.4.0-1096.107~18.04.1","5.4.0-1097.109~18.04.2","5.4.0-1098.110~18.04.2","5.4.0-1100.112~18.04.1","5.4.0-1101.113~18.04.1","5.4.0-1102.114~18.04.1","5.4.0-1103.115~18.04.1","5.4.0-1104.116~18.04.1","5.4.0-1105.117~18.04.1","5.4.0-1106.118~18.04.1","5.4.0-1107.119~18.04.1","5.4.0-1108.120~18.04.1","5.4.0-1109.121~18.04.1","5.4.0-1110.122~18.04.1","5.4.0-1111.123~18.04.1","5.4.0-1112.124~18.04.1","5.4.0-1114.126~18.04.1","5.4.0-1115.127~18.04.1","5.4.0-1116.128~18.04.1","5.4.0-1117.129~18.04.1","5.4.0-1118.130~18.04.1","5.4.0-1119.131~18.04.1","5.4.0-1120.132~18.04.1","5.4.0-1121.133~18.04.1","5.4.0-1122.134~18.04.1","5.4.0-1129.142~18.04.1","5.4.0-1130.143~18.04.1","5.4.0-1131.144~18.04.1","5.4.0-1132.145~18.04.1","5.4.0-1133.146~18.04.1","5.4.0-1134.147~18.04.1","5.4.0-1135.148~18.04.1","5.4.0-1136.149~18.04.1","5.4.0-1137.150~18.04.1","5.4.0-1139.152~18.04.1","5.4.0-1140.153~18.04.1","5.4.0-1143.156~18.04.1","5.4.0-1144.157~18.04.1","5.4.0-1145.158~18.04.1","5.4.0-1146.159~18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"linux-buildinfo-5.4.0-1147-raspi","binary_version":"5.4.0-1147.160~18.04.1"},{"binary_version":"5.4.0-1147.160~18.04.1","binary_name":"linux-headers-5.4.0-1147-raspi"},{"binary_name":"linux-image-5.4.0-1147-raspi","binary_version":"5.4.0-1147.160~18.04.1"},{"binary_name":"linux-modules-5.4.0-1147-raspi","binary_version":"5.4.0-1147.160~18.04.1"},{"binary_name":"linux-raspi-5.4-headers-5.4.0-1147","binary_version":"5.4.0-1147.160~18.04.1"},{"binary_version":"5.4.0-1147.160~18.04.1","binary_name":"linux-raspi-5.4-tools-5.4.0-1147"},{"binary_version":"5.4.0-1147.160~18.04.1","binary_name":"linux-tools-5.4.0-1147-raspi"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-38724","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/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"},{"score":"critical","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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:L/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53131"},{"id":"CVE-2026-53221","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/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":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8851-2.json"}}],"schema_version":"1.9.0"}