{"id":"USN-5140-1","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","modified":"2026-04-27T19:13:28.631367Z","published":"2021-11-11T05:40:50Z","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"],"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"}],"affected":[{"package":{"name":"linux-oem-5.14","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-5.14@5.14.0-1007.7?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":{"binaries":[{"binary_version":"5.14.0-1007.7","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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5140-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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-2021-3744"},{"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":"medium","type":"Ubuntu"}],"id":"CVE-2021-3764"},{"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"}],"id":"CVE-2021-41864"}]}}}],"schema_version":"1.7.5"}