{"id":"USN-5486-1","summary":"intel-microcode vulnerabilities","details":"It was discovered that some Intel processors did not implement sufficient\ncontrol flow management. A local attacker could use this to cause a denial\nof service. (CVE-2021-0127)\n\nJoseph Nuzman discovered that some Intel processors did not properly\ninitialise shared resources. A local attacker could use this to obtain\nsensitive information. (CVE-2021-0145)\n\nMark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel\nprocessors did not prevent test and debug logic from being activated at\nruntime. A local attacker could use this to escalate\nprivileges. (CVE-2021-0146)\n\nIt was discovered that some Intel processors did not properly restrict\naccess in some situations. A local attacker could use this to obtain\nsensitive information. (CVE-2021-33117)\n\nBrandon Miller discovered that some Intel processors did not properly\nrestrict access in some situations. A local attacker could use this to\nobtain sensitive information or a remote attacker could use this to cause a\ndenial of service. (CVE-2021-33120)\n\nIt was discovered that some Intel processors did not completely perform\ncleanup actions on multi-core shared buffers. A local attacker could\npossibly use this to expose sensitive information. (CVE-2022-21123,\nCVE-2022-21127)\n\nAlysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that\nsome Intel processors improperly optimised security-critical code. A local\nattacker could possibly use this to expose sensitive\ninformation. (CVE-2022-21151)\n\nIt was discovered that some Intel processors did not properly perform\ncleanup during specific special register write operations. A local attacker\ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n","modified":"2026-04-24T09:32:38.003205210Z","published":"2022-06-20T04:21:50Z","related":["UBUNTU-CVE-2021-0127","UBUNTU-CVE-2021-0145","UBUNTU-CVE-2021-0146","UBUNTU-CVE-2021-33117","UBUNTU-CVE-2021-33120","UBUNTU-CVE-2022-21123","UBUNTU-CVE-2022-21127","UBUNTU-CVE-2022-21151","UBUNTU-CVE-2022-21166"],"upstream":["CVE-2021-0127","CVE-2021-0145","CVE-2021-0146","CVE-2021-33117","CVE-2021-33120","CVE-2022-21127","CVE-2022-21151","UBUNTU-CVE-2021-0127","UBUNTU-CVE-2021-0145","UBUNTU-CVE-2021-0146","UBUNTU-CVE-2021-33117","UBUNTU-CVE-2021-33120","UBUNTU-CVE-2022-21127","UBUNTU-CVE-2022-21151"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5486-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0127"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0145"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0146"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33117"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33120"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-21127"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-21151"}],"affected":[{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode@3.20220510.0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20220510.0ubuntu0.18.04.1"}]}],"versions":["3.20170707.1","3.20171117.1","3.20180108.1","3.20180108.1+really20171117.1","3.20180312.0~ubuntu18.04.1","3.20180425.1~ubuntu0.18.04.1","3.20180425.1~ubuntu0.18.04.2","3.20180807a.0ubuntu0.18.04.1","3.20190514.0ubuntu0.18.04.2","3.20190514.0ubuntu0.18.04.3","3.20190618.0ubuntu0.18.04.1","3.20191112-0ubuntu0.18.04.2","3.20191115.1ubuntu0.18.04.1","3.20191115.1ubuntu0.18.04.2","3.20200609.0ubuntu0.18.04.0","3.20200609.0ubuntu0.18.04.1","3.20201110.0ubuntu0.18.04.1","3.20201110.0ubuntu0.18.04.2","3.20210216.0ubuntu0.18.04.1","3.20210608.0ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.20220510.0ubuntu0.18.04.1","binary_name":"intel-microcode"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2021-0127","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"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-2021-0145","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-0146","severity":[{"score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-33117","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-33120","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-21127","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-21151","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5486-1.json"}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode@3.20220510.0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20220510.0ubuntu0.20.04.1"}]}],"versions":["3.20190918.1ubuntu1","3.20191115.1ubuntu1","3.20191115.1ubuntu2","3.20191115.1ubuntu3","3.20200609.0ubuntu0.20.04.0","3.20200609.0ubuntu0.20.04.1","3.20200609.0ubuntu0.20.04.2","3.20201110.0ubuntu0.20.04.1","3.20201110.0ubuntu0.20.04.2","3.20210216.0ubuntu0.20.04.1","3.20210608.0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No 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