{"schema_version":"1.7.5","id":"USN-5140-1","published":"2021-11-11T05:40:50Z","modified":"2026-06-03T13:34:04.899769949Z","related":["UBUNTU-CVE-2021-3744","UBUNTU-CVE-2021-3764","UBUNTU-CVE-2021-41864"],"upstream":["CVE-2021-3744","CVE-2021-3764","CVE-2021-41864","UBUNTU-CVE-2021-3744","UBUNTU-CVE-2021-3764","UBUNTU-CVE-2021-41864"],"summary":"linux-oem-5.14 vulnerabilities","details":"It was discovered that the AMD Cryptographic Coprocessor (CCP) driver in\nthe Linux kernel did not properly deallocate memory in some error\nconditions. A local attacker could use this to cause a denial of service\n(memory exhaustion). (CVE-2021-3744, CVE-2021-3764)\n\nIt was discovered that an integer overflow could be triggered in the eBPF\nimplementation in the Linux kernel when preallocating objects for stack\nmaps. A privileged local attacker could use this to cause a denial of\nservice or possibly execute arbitrary code. (CVE-2021-41864)\n","affected":[{"package":{"name":"linux-oem-5.14","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-5.14?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-1007.7"}]}],"versions":["5.14.0-1004.4","5.14.0-1005.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.14.0-1007-oem","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-headers-5.14.0-1007-oem","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-image-unsigned-5.14.0-1007-oem","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-modules-5.14.0-1007-oem","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-oem-5.14-headers-5.14.0-1007","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-oem-5.14-tools-5.14.0-1007","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-oem-5.14-tools-host","binary_version":"5.14.0-1007.7"},{"binary_name":"linux-tools-5.14.0-1007-oem","binary_version":"5.14.0-1007.7"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-3744","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":"low","type":"Ubuntu"}]},{"id":"CVE-2021-3764","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-2021-41864","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":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5140-1.json"}}],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5140-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3744"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3764"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41864"}]}