{"id":"USN-5814-1","summary":"linux-azure, linux-gkeop, linux-intel-iotg, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle-5.15 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 the Xen netback driver in the Linux kernel did not\nproperly handle packets structured in certain ways. An attacker in a guest\nVM could possibly use this to cause a denial of service (host NIC\navailability). (CVE-2022-3643)\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\n","modified":"2026-02-10T04:42:55Z","published":"2023-01-19T19:27:06Z","related":["UBUNTU-CVE-2022-3643","UBUNTU-CVE-2022-42896","UBUNTU-CVE-2022-4378","UBUNTU-CVE-2022-45934"],"upstream":["CVE-2022-3643","CVE-2022-42896","CVE-2022-4378","CVE-2022-45934","UBUNTU-CVE-2022-3643","UBUNTU-CVE-2022-42896","UBUNTU-CVE-2022-4378","UBUNTU-CVE-2022-45934"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5814-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3643"},{"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-lowlatency-hwe-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-lowlatency-hwe-5.15@5.15.0-58.64~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-58.64~20.04.1"}]}],"versions":["5.15.0-33.34~20.04.1","5.15.0-42.45~20.04.1","5.15.0-43.46~20.04.1","5.15.0-46.49~20.04.1","5.15.0-48.54~20.04.1","5.15.0-50.56~20.04.1","5.15.0-52.58~20.04.1","5.15.0-53.59~20.04.1","5.15.0-56.62~20.04.1"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_name":"linux-buildinfo-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-buildinfo-5.15.0-58-lowlatency-64k","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-cloud-tools-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-headers-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-headers-5.15.0-58-lowlatency-64k","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-image-unsigned-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-image-unsigned-5.15.0-58-lowlatency-64k","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-cloud-tools-5.15.0-58","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-cloud-tools-common","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-headers-5.15.0-58","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-tools-5.15.0-58","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-tools-common","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-lowlatency-hwe-5.15-tools-host","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-modules-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-modules-5.15.0-58-lowlatency-64k","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-modules-iwlwifi-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-tools-5.15.0-58-lowlatency","binary_version":"5.15.0-58.64~20.04.1"},{"binary_name":"linux-tools-5.15.0-58-lowlatency-64k","binary_version":"5.15.0-58.64~20.04.1"}]},"database_specific":{"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:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-3643"},{"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-2022-4378"},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"high"}],"id":"CVE-2022-42896"},{"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-2022-45934"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5814-1.json"}},{"package":{"name":"linux-oracle-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oracle-5.15@5.15.0-1027.33~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1027.33~20.04.1"}]}],"versions":["5.15.0-1007.9~20.04.1","5.15.0-1013.17~20.04.1","5.15.0-1016.20~20.04.1","5.15.0-1017.22~20.04.1","5.15.0-1018.23~20.04.1","5.15.0-1019.24~20.04.1","5.15.0-1021.27~20.04.1","5.15.0-1022.28~20.04.1","5.15.0-1025.31~20.04.2"],"ecosystem_specific":{"availability":"No 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