{"id":"USN-5217-1","summary":"linux-oem-5.14 vulnerabilities","details":"It was discovered that the NFS server implementation in the Linux kernel\ncontained an out-of-bounds write vulnerability. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2021-4090)\n\nIt was discovered that the eBPF implementation in the Linux kernel did\nnot properly validate the memory size of certain ring buffer operation\narguments. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2021-4204)\n","modified":"2026-02-10T04:42:25Z","published":"2022-01-11T04:56:24Z","related":["UBUNTU-CVE-2021-4090","UBUNTU-CVE-2021-4204"],"upstream":["CVE-2021-4090","CVE-2021-4204","UBUNTU-CVE-2021-4090","UBUNTU-CVE-2021-4204"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5217-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4090"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4204"},{"type":"REPORT","url":"https://launchpad.net/bugs/1956585"}],"affected":[{"package":{"name":"linux-oem-5.14","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-5.14@5.14.0-1018.19?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-1018.19"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.14.0-1018-oem","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-headers-5.14.0-1018-oem","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-image-unsigned-5.14.0-1018-oem","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-modules-5.14.0-1018-oem","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-oem-5.14-headers-5.14.0-1018","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-oem-5.14-tools-5.14.0-1018","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-oem-5.14-tools-host","binary_version":"5.14.0-1018.19"},{"binary_name":"linux-tools-5.14.0-1018-oem","binary_version":"5.14.0-1018.19"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5217-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-4090"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2021-4204"}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}