{"id":"USN-6387-2","summary":"linux-bluefield, linux-raspi, linux-raspi-5.4 vulnerabilities","details":"Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii\nOleksenko discovered that some AMD processors could leak stale data from\ndivision operations in certain situations. A local attacker could possibly\nuse this to expose sensitive information. (CVE-2023-20588)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle L2CAP socket release, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-40283)\n\nIt was discovered that some network classifier implementations in the Linux\nkernel contained use-after-free vulnerabilities. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2023-4128)\n","modified":"2026-02-28T06:30:53.545415Z","published":"2023-09-26T22:44:13Z","related":["UBUNTU-CVE-2023-20588","UBUNTU-CVE-2023-40283","UBUNTU-CVE-2023-4128"],"upstream":["CVE-2023-20588","CVE-2023-40283","CVE-2023-4128","UBUNTU-CVE-2023-20588","UBUNTU-CVE-2023-40283","UBUNTU-CVE-2023-4128"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6387-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4128"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-20588"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-40283"}],"affected":[{"package":{"name":"linux-raspi-5.4","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi-5.4@5.4.0-1094.105~18.04.1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1094.105~18.04.1"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): 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