{"id":"USN-7607-3","summary":"linux-kvm vulnerabilities","details":"It was discovered that a use-after-free vulnerability existed in the\nBluetooth stack in the Linux kernel. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2022-3640)\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  - SCSI subsystem;\n  - Network file system (NFS) client;\n  - NILFS2 file system;\n  - File systems infrastructure;\n  - Memory management;\n  - Bluetooth subsystem;\n  - Network traffic control;\n  - USB sound devices;\n(CVE-2024-50116, CVE-2021-47576, CVE-2024-53197, CVE-2024-46787,\nCVE-2025-37798, CVE-2024-49958, CVE-2021-47260, CVE-2025-37932,\nCVE-2022-49909)\n","modified":"2026-02-10T04:49:33Z","published":"2025-07-08T22:32:30Z","related":["UBUNTU-CVE-2021-47260","UBUNTU-CVE-2021-47576","UBUNTU-CVE-2022-3640","UBUNTU-CVE-2022-49909","UBUNTU-CVE-2024-46787","UBUNTU-CVE-2024-49958","UBUNTU-CVE-2024-50116","UBUNTU-CVE-2024-53197","UBUNTU-CVE-2025-37798","UBUNTU-CVE-2025-37932"],"upstream":["CVE-2021-47260","CVE-2021-47576","CVE-2022-3640","CVE-2022-49909","CVE-2024-46787","CVE-2024-49958","CVE-2024-50116","CVE-2024-53197","CVE-2025-37798","CVE-2025-37932","UBUNTU-CVE-2021-47260","UBUNTU-CVE-2021-47576","UBUNTU-CVE-2022-3640","UBUNTU-CVE-2022-49909","UBUNTU-CVE-2024-46787","UBUNTU-CVE-2024-49958","UBUNTU-CVE-2024-50116","UBUNTU-CVE-2024-53197","UBUNTU-CVE-2025-37798","UBUNTU-CVE-2025-37932"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7607-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47260"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47576"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3640"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-49909"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-46787"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-49958"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-50116"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-53197"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-37798"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-37932"}],"affected":[{"package":{"name":"linux-kvm","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/linux-kvm@4.4.0-1146.157?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1146.157"}]}],"versions":["4.4.0-1004.9","4.4.0-1007.12","4.4.0-1008.13","4.4.0-1009.14","4.4.0-1010.15","4.4.0-1012.17","4.4.0-1013.18","4.4.0-1015.20","4.4.0-1017.22","4.4.0-1019.24","4.4.0-1020.25","4.4.0-1021.26","4.4.0-1023.28","4.4.0-1026.31","4.4.0-1027.32","4.4.0-1029.34","4.4.0-1031.37","4.4.0-1032.38","4.4.0-1033.39","4.4.0-1035.41","4.4.0-1036.42","4.4.0-1037.43","4.4.0-1038.44","4.4.0-1039.45","4.4.0-1040.46","4.4.0-1041.47","4.4.0-1043.49","4.4.0-1044.50","4.4.0-1046.52","4.4.0-1047.53","4.4.0-1048.55","4.4.0-1051.58","4.4.0-1052.59","4.4.0-1054.61","4.4.0-1056.63","4.4.0-1058.65","4.4.0-1059.66","4.4.0-1060.67","4.4.0-1062.69","4.4.0-1063.70","4.4.0-1064.71","4.4.0-1065.72","4.4.0-1066.73","4.4.0-1068.75","4.4.0-1069.76","4.4.0-1070.77","4.4.0-1071.78","4.4.0-1075.82","4.4.0-1076.83","4.4.0-1077.84","4.4.0-1078.85","4.4.0-1079.86","4.4.0-1080.87","4.4.0-1082.91","4.4.0-1084.93","4.4.0-1085.94","4.4.0-1087.96","4.4.0-1088.97","4.4.0-1089.98","4.4.0-1090.99","4.4.0-1091.100","4.4.0-1092.101","4.4.0-1093.102","4.4.0-1094.103","4.4.0-1095.104","4.4.0-1096.105","4.4.0-1097.106","4.4.0-1098.107","4.4.0-1099.108","4.4.0-1100.109","4.4.0-1102.111","4.4.0-1103.112","4.4.0-1104.113","4.4.0-1105.114","4.4.0-1108.118","4.4.0-1110.120","4.4.0-1111.121","4.4.0-1112.122","4.4.0-1113.123","4.4.0-1114.124","4.4.0-1115.125","4.4.0-1116.126","4.4.0-1117.127","4.4.0-1118.128","4.4.0-1119.129","4.4.0-1120.130","4.4.0-1121.131","4.4.0-1122.132","4.4.0-1123.133","4.4.0-1124.134","4.4.0-1125.135","4.4.0-1126.136","4.4.0-1128.138","4.4.0-1129.139","4.4.0-1130.140","4.4.0-1131.141","4.4.0-1132.142","4.4.0-1134.144","4.4.0-1135.145","4.4.0-1136.146","4.4.0-1137.147","4.4.0-1138.148","4.4.0-1139.149","4.4.0-1140.151","4.4.0-1141.152","4.4.0-1142.153","4.4.0-1143.154","4.4.0-1144.155","4.4.0-1145.156"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"4.4.0-1146.157","binary_name":"linux-buildinfo-4.4.0-1146-kvm"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-cloud-tools-4.4.0-1146-kvm"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-headers-4.4.0-1146-kvm"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-image-4.4.0-1146-kvm"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-kvm-cloud-tools-4.4.0-1146"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-kvm-headers-4.4.0-1146"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-kvm-tools-4.4.0-1146"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-modules-4.4.0-1146-kvm"},{"binary_version":"4.4.0-1146.157","binary_name":"linux-tools-4.4.0-1146-kvm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7607-3.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-47260"},{"severity":[{"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":"medium"}],"id":"CVE-2021-47576"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-3640"},{"severity":[{"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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2022-49909"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-46787"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2024-49958"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-50116"},{"severity":[{"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-2024-53197"},{"severity":[{"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":"medium"}],"id":"CVE-2025-37798"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-37932"}]}}}],"schema_version":"1.7.3"}