{"id":"USN-5809-1","summary":"linux-oem-5.14 vulnerabilities","details":"Kyle Zeng discovered that the sysctl implementation in the Linux kernel\ncontained a stack-based buffer overflow. A local attacker could use this to\ncause a denial of service (system crash) or execute arbitrary code.\n(CVE-2022-4378)\n\nTamás Koczka discovered that the Bluetooth L2CAP handshake implementation\nin the Linux kernel contained multiple use-after-free vulnerabilities. A\nphysically proximate attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2022-42896)\n\nIt was discovered that an integer overflow vulnerability existed in the\nBluetooth subsystem in the Linux kernel. A physically proximate attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2022-45934)\n","modified":"2026-02-10T04:42:55Z","published":"2023-01-17T18:10:42Z","related":["UBUNTU-CVE-2022-42896","UBUNTU-CVE-2022-4378","UBUNTU-CVE-2022-45934"],"upstream":["CVE-2022-42896","CVE-2022-4378","CVE-2022-45934","UBUNTU-CVE-2022-42896","UBUNTU-CVE-2022-4378","UBUNTU-CVE-2022-45934"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5809-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4378"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-42896"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-45934"}],"affected":[{"package":{"name":"linux-oem-5.14","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-5.14@5.14.0-1056.63?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-1056.63"}]}],"versions":["5.14.0-1004.4","5.14.0-1005.5","5.14.0-1007.7","5.14.0-1008.8","5.14.0-1010.10","5.14.0-1011.11","5.14.0-1013.13","5.14.0-1018.19","5.14.0-1020.22","5.14.0-1022.24","5.14.0-1024.26","5.14.0-1027.30","5.14.0-1029.32","5.14.0-1031.34","5.14.0-1032.35","5.14.0-1033.36","5.14.0-1034.37","5.14.0-1036.40","5.14.0-1038.42","5.14.0-1042.47","5.14.0-1044.49","5.14.0-1045.51","5.14.0-1046.53","5.14.0-1047.54","5.14.0-1048.55","5.14.0-1049.56","5.14.0-1050.57","5.14.0-1051.58","5.14.0-1052.59","5.14.0-1054.61","5.14.0-1055.62"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-headers-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-image-unsigned-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-modules-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-modules-iwlwifi-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-oem-5.14-headers-5.14.0-1056","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-oem-5.14-tools-5.14.0-1056","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-oem-5.14-tools-host","binary_version":"5.14.0-1056.63"},{"binary_name":"linux-tools-5.14.0-1056-oem","binary_version":"5.14.0-1056.63"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5809-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2022-4378","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":"high","type":"Ubuntu"}]},{"id":"CVE-2022-42896","severity":[{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2022-45934","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"}]}]}}}],"schema_version":"1.7.3"}