{"id":"USN-8143-2","summary":"linux-fips 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  - Cryptographic API;\n  - GPU drivers;\n  - BTRFS file system;\n  - GFS2 file system;\n  - UDF file system;\n  - NFC subsystem;\n  - Network traffic control;\n(CVE-2021-47142, CVE-2021-47145, CVE-2021-47254, CVE-2024-46777,\nCVE-2025-21735, CVE-2026-23060, CVE-2026-23074)\n","modified":"2026-04-07T12:14:32.581629331Z","published":"2026-04-02T20:30:36Z","related":["UBUNTU-CVE-2021-47142","UBUNTU-CVE-2021-47145","UBUNTU-CVE-2021-47254","UBUNTU-CVE-2024-46777","UBUNTU-CVE-2025-21735","UBUNTU-CVE-2026-23060","UBUNTU-CVE-2026-23074"],"upstream":["CVE-2021-47142","CVE-2021-47145","CVE-2021-47254","CVE-2024-46777","CVE-2025-21735","CVE-2026-23060","CVE-2026-23074","UBUNTU-CVE-2021-47142","UBUNTU-CVE-2021-47145","UBUNTU-CVE-2021-47254","UBUNTU-CVE-2024-46777","UBUNTU-CVE-2025-21735","UBUNTU-CVE-2026-23060","UBUNTU-CVE-2026-23074"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8143-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47142"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47145"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47254"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-46777"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21735"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23060"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23074"}],"affected":[{"package":{"name":"linux-fips","ecosystem":"Ubuntu:Pro:FIPS:16.04:LTS","purl":"pkg:deb/ubuntu/linux-fips@4.4.0-1123.130?arch=source&distro=fips-updates/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1123.130"}]}],"versions":["4.4.0-1003.3","4.4.0-1005.5","4.4.0-1006.6","4.4.0-1008.10","4.4.0-1010.13","4.4.0-1011.14","4.4.0-1012.16","4.4.0-1013.17","4.4.0-1015.20","4.4.0-1017.22","4.4.0-1019.24","4.4.0-1021.26","4.4.0-1022.27","4.4.0-1023.28","4.4.0-1025.30","4.4.0-1026.31","4.4.0-1027.32","4.4.0-1028.33","4.4.0-1029.34","4.4.0-1031.36","4.4.0-1032.37","4.4.0-1033.38","4.4.0-1034.39","4.4.0-1041.46","4.4.0-1042.47","4.4.0-1043.48","4.4.0-1044.49","4.4.0-1045.50","4.4.0-1046.51","4.4.0-1048.53","4.4.0-1049.55","4.4.0-1051.57","4.4.0-1052.58","4.4.0-1054.60","4.4.0-1055.61","4.4.0-1056.62","4.4.0-1057.63","4.4.0-1058.64","4.4.0-1060.66","4.4.0-1061.67","4.4.0-1062.68","4.4.0-1063.69","4.4.0-1064.70","4.4.0-1065.71","4.4.0-1066.72","4.4.0-1067.73","4.4.0-1068.74","4.4.0-1069.75","4.4.0-1071.77","4.4.0-1072.78","4.4.0-1073.79","4.4.0-1074.80","4.4.0-1077.84","4.4.0-1079.86","4.4.0-1080.87","4.4.0-1081.88","4.4.0-1082.89","4.4.0-1083.90","4.4.0-1084.91","4.4.0-1085.92","4.4.0-1086.93","4.4.0-1088.95","4.4.0-1089.96","4.4.0-1090.97","4.4.0-1091.98","4.4.0-1092.99","4.4.0-1093.100","4.4.0-1094.101","4.4.0-1095.102","4.4.0-1097.104","4.4.0-1099.106","4.4.0-1100.107","4.4.0-1101.108","4.4.0-1102.109","4.4.0-1103.110","4.4.0-1104.111","4.4.0-1105.112","4.4.0-1106.113","4.4.0-1107.114","4.4.0-1108.115","4.4.0-1109.116","4.4.0-1110.117","4.4.0-1111.118","4.4.0-1112.119","4.4.0-1113.120","4.4.0-1114.121","4.4.0-1115.122","4.4.0-1116.123","4.4.0-1117.124","4.4.0-1119.126","4.4.0-1120.127","4.4.0-1121.128","4.4.0-1122.129"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.0-1123.130","binary_name":"block-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"crypto-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"dasd-extra-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"dasd-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"fat-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"fb-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"firewire-core-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"floppy-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"fs-core-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"fs-secondary-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"input-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"ipmi-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"irda-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"kernel-image-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-buildinfo-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-fips-cloud-tools-common"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-fips-headers-4.4.0-1123"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-fips-source-4.4.0"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-fips-tools-4.4.0-1123"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-headers-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-image-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-image-hmac-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-image-unsigned-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-image-unsigned-hmac-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-modules-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-modules-extra-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-tools-4.4.0-1123-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"linux-udebs-fips"},{"binary_version":"4.4.0-1123.130","binary_name":"md-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"message-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"mouse-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"multipath-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"nfs-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"nic-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"nic-pcmcia-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"nic-shared-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"nic-usb-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"parport-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"pata-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"pcmcia-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"pcmcia-storage-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"plip-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"ppp-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"sata-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"scsi-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"serial-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"speakup-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"storage-core-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"usb-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"virtio-modules-4.4.0-1123-fips-di"},{"binary_version":"4.4.0-1123.130","binary_name":"vlan-modules-4.4.0-1123-fips-di"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8143-2.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-47142"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-47145"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-47254"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-46777"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2025-21735"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-23060"},{"severity":[{"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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-23074"}],"ecosystem":"Ubuntu:Pro:FIPS:16.04:LTS"}}}],"schema_version":"1.7.5"}