{"id":"USN-5612-1","summary":"intel-microcode vulnerability","details":"Pietro Borrello, Andreas Kogler, Martin Schwarzl, Daniel Gruss, Michael\nSchwarz and Moritz Lipp discovered that some Intel processors did not\nproperly clear data between subsequent xAPIC MMIO reads. This could allow a\nlocal attacker to compromise SGX enclaves.\n","modified":"2026-02-10T04:42:46Z","published":"2022-09-15T02:52:45Z","related":["UBUNTU-CVE-2022-21233"],"upstream":["CVE-2022-21233","UBUNTU-CVE-2022-21233"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5612-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-21233"}],"affected":[{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode@3.20220809.0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20220809.0ubuntu0.18.04.1"}]}],"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","3.20220510.0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20220809.0ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-21233","severity":[{"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":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5612-1.json"}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode@3.20220809.0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20220809.0ubuntu0.20.04.1"}]}],"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","3.20220510.0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20220809.0ubuntu0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-21233","severity":[{"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":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5612-1.json"}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode@3.20220809.0ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20220809.0ubuntu0.22.04.1"}]}],"versions":["3.20210608.2ubuntu1","3.20220510.0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20220809.0ubuntu0.22.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-21233","severity":[{"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":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5612-1.json"}}],"schema_version":"1.7.3"}