{"id":"USN-6441-3","summary":"linux-iot, linux-raspi, linux-raspi-5.4 vulnerabilities","details":"Ross Lagerwall discovered that the Xen netback backend driver in the Linux\nkernel did not properly handle certain unusual packets from a\nparavirtualized network frontend, leading to a buffer overflow. An attacker\nin a guest VM could use this to cause a denial of service (host system\ncrash) or possibly execute arbitrary code. (CVE-2023-34319)\n\nKyle Zeng discovered that the networking stack implementation in the Linux\nkernel did not properly validate skb object size in certain conditions. An\nattacker could use this cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2023-42752)\n\nKyle Zeng discovered that the netfiler subsystem in the Linux kernel did\nnot properly calculate array offsets, leading to a out-of-bounds write\nvulnerability. A local user could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-42753)\n\nKyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP)\nclassifier implementation in the Linux kernel contained an out-of-bounds\nread vulnerability. A local attacker could use this to cause a denial of\nservice (system crash). Please note that kernel packet classifier support\nfor RSVP has been removed to resolve this vulnerability. (CVE-2023-42755)\n\nKyle Zeng discovered that the netfilter subsystem in the Linux kernel\ncontained a race condition in IP set operations in certain situations. A\nlocal attacker could use this to cause a denial of service (system crash).\n(CVE-2023-42756)\n\nBing-Jhong Billy Jheng discovered that the Unix domain socket\nimplementation in the Linux kernel contained a race condition in certain\nsituations, leading to a use-after-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-4622)\n\nBudimir Markovic discovered that the qdisc implementation in the Linux\nkernel did not properly validate inner classes, leading to a use-after-free\nvulnerability. A local user could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-4623)\n\nAlex Birnberg discovered that the netfilter subsystem in the Linux kernel\ndid not properly validate register length, leading to an out-of- bounds\nwrite vulnerability. A local attacker could possibly use this to cause a\ndenial of service (system crash). (CVE-2023-4881)\n\nIt was discovered that the Quick Fair Queueing scheduler implementation in\nthe Linux kernel did not properly handle network packets in certain\nconditions, leading to a use after free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-4921)\n","modified":"2026-04-27T16:47:05.842352760Z","published":"2023-10-30T16:10:35Z","related":["UBUNTU-CVE-2023-34319","UBUNTU-CVE-2023-42752","UBUNTU-CVE-2023-42753","UBUNTU-CVE-2023-42755","UBUNTU-CVE-2023-42756","UBUNTU-CVE-2023-4622","UBUNTU-CVE-2023-4623","UBUNTU-CVE-2023-4881","UBUNTU-CVE-2023-4921"],"upstream":["CVE-2023-34319","CVE-2023-42752","CVE-2023-42753","CVE-2023-42755","CVE-2023-42756","CVE-2023-4622","CVE-2023-4623","CVE-2023-4881","CVE-2023-4921","UBUNTU-CVE-2023-34319","UBUNTU-CVE-2023-42752","UBUNTU-CVE-2023-42753","UBUNTU-CVE-2023-42755","UBUNTU-CVE-2023-42756","UBUNTU-CVE-2023-4622","UBUNTU-CVE-2023-4623","UBUNTU-CVE-2023-4881","UBUNTU-CVE-2023-4921"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6441-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4622"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4623"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4881"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4921"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-34319"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42752"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42753"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42755"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42756"}],"affected":[{"package":{"name":"linux-raspi-5.4","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi-5.4@5.4.0-1096.107~18.04.1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1096.107~18.04.1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-buildinfo-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-headers-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-image-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-modules-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-raspi-5.4-headers-5.4.0-1096"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-raspi-5.4-tools-5.4.0-1096"},{"binary_version":"5.4.0-1096.107~18.04.1","binary_name":"linux-tools-5.4.0-1096-raspi"}],"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-6441-3.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"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:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-4622"},{"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-2023-4623"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-4881"},{"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-2023-4921"},{"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":"medium"}],"id":"CVE-2023-34319"},{"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":"high"}],"id":"CVE-2023-42752"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/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-2023-42753"},{"id":"CVE-2023-42755","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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":"high"}]},{"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":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-42756"}]}}},{"package":{"name":"linux-iot","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-iot@5.4.0-1024.25?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1024.25"}]}],"versions":["5.4.0-1001.3","5.4.0-1004.6","5.4.0-1005.7","5.4.0-1006.8","5.4.0-1009.11","5.4.0-1010.12","5.4.0-1011.13","5.4.0-1012.14","5.4.0-1013.15","5.4.0-1014.16","5.4.0-1017.18","5.4.0-1018.19","5.4.0-1019.20","5.4.0-1021.22","5.4.0-1022.23","5.4.0-1023.24"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-1024.25","binary_name":"linux-buildinfo-5.4.0-1024-iot"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-headers-5.4.0-1024-iot"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-image-5.4.0-1024-iot"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-image-unsigned-5.4.0-1024-iot"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-iot-headers-5.4.0-1024"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-iot-tools-5.4.0-1024"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-iot-tools-common"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-modules-5.4.0-1024-iot"},{"binary_version":"5.4.0-1024.25","binary_name":"linux-tools-5.4.0-1024-iot"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6441-3.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-4622"},{"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-2023-4623"},{"id":"CVE-2023-4881","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"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-2023-4921"},{"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":"medium"}],"id":"CVE-2023-34319"},{"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":"high"}],"id":"CVE-2023-42752"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/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-2023-42753"},{"id":"CVE-2023-42755","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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":"high"}]},{"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":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-42756"}]}}},{"package":{"name":"linux-raspi","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi@5.4.0-1096.107?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1096.107"}]}],"versions":["5.4.0-1007.7","5.4.0-1008.8","5.4.0-1011.11","5.4.0-1012.12","5.4.0-1013.13","5.4.0-1015.15","5.4.0-1016.17","5.4.0-1018.20","5.4.0-1019.21","5.4.0-1021.24","5.4.0-1022.25","5.4.0-1023.26","5.4.0-1025.28","5.4.0-1026.29","5.4.0-1028.31","5.4.0-1029.32","5.4.0-1030.33","5.4.0-1032.35","5.4.0-1033.36","5.4.0-1034.37","5.4.0-1035.38","5.4.0-1036.39","5.4.0-1038.41","5.4.0-1041.45","5.4.0-1042.46","5.4.0-1043.47","5.4.0-1044.48","5.4.0-1045.49","5.4.0-1046.50","5.4.0-1047.52","5.4.0-1048.53","5.4.0-1050.56","5.4.0-1052.58","5.4.0-1053.60","5.4.0-1055.62","5.4.0-1056.63","5.4.0-1058.65","5.4.0-1059.67","5.4.0-1060.68","5.4.0-1062.70","5.4.0-1065.75","5.4.0-1066.76","5.4.0-1068.78","5.4.0-1069.79","5.4.0-1070.80","5.4.0-1071.81","5.4.0-1073.84","5.4.0-1074.85","5.4.0-1077.88","5.4.0-1078.89","5.4.0-1079.90","5.4.0-1080.91","5.4.0-1081.92","5.4.0-1082.93","5.4.0-1083.94","5.4.0-1084.95","5.4.0-1085.96","5.4.0-1086.97","5.4.0-1088.99","5.4.0-1089.100","5.4.0-1090.101","5.4.0-1091.102","5.4.0-1092.103","5.4.0-1093.104","5.4.0-1094.105","5.4.0-1095.106"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-1096.107","binary_name":"linux-buildinfo-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-headers-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-image-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-modules-5.4.0-1096-raspi"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-raspi-headers-5.4.0-1096"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-raspi-tools-5.4.0-1096"},{"binary_version":"5.4.0-1096.107","binary_name":"linux-tools-5.4.0-1096-raspi"}],"availability":"No 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