{"id":"USN-8068-1","summary":"intel-microcode vulnerability","details":"Sergiu Ghetie discovered that some Intel® processors did not properly\nhandle values in the microcode flow. A local authenticated user could\npotentially use this issue to escalate their privileges.","modified":"2026-05-20T16:03:51.358491314Z","published":"2026-03-03T14:03:20Z","related":["UBUNTU-CVE-2025-31648"],"upstream":["UBUNTU-CVE-2025-31648"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8068-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-31648"}],"affected":[{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20260210.0ubuntu0.16.04.1+esm1"}]}],"versions":["3.20150121.1","3.20151106.1","3.20170707.1~ubuntu16.04.0","3.20180108.0~ubuntu16.04.2","3.20180108.0+really20170707ubuntu16.04.1","3.20180312.0~ubuntu16.04.1","3.20180425.1~ubuntu0.16.04.1","3.20180425.1~ubuntu0.16.04.2","3.20180807a.0ubuntu0.16.04.1","3.20190514.0ubuntu0.16.04.1","3.20190514.0ubuntu0.16.04.2","3.20190618.0ubuntu0.16.04.1","3.20191112-0ubuntu0.16.04.2","3.20191115.1ubuntu0.16.04.1","3.20191115.1ubuntu0.16.04.2","3.20200609.0ubuntu0.16.04.0","3.20200609.0ubuntu0.16.04.1","3.20201110.0ubuntu0.16.04.1","3.20201110.0ubuntu0.16.04.2","3.20210216.0ubuntu0.16.04.1","3.20210608.0ubuntu0.16.04.1+esm1","3.20220510.0ubuntu0.16.04.1+esm1","3.20230214.0ubuntu0.16.04.1+esm1","3.20230808.0ubuntu0.16.04.1+esm1","3.20231114.0ubuntu0.16.04.1+esm1","3.20240514.0ubuntu0.16.04.1+esm1","3.20240813.0ubuntu0.16.04.1+esm2","3.20240910.0ubuntu0.16.04.1+esm1","3.20241112.0ubuntu0.16.04.1+esm1","3.20250211.0ubuntu0.16.04.1+esm1","3.20250512.0ubuntu0.16.04.1+esm1","3.20250812.0ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20260210.0ubuntu0.16.04.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8068-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20260210.0ubuntu0.18.04.1+esm1"}]}],"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","3.20220809.0ubuntu0.18.04.1","3.20230214.0ubuntu0.18.04.1","3.20230808.0ubuntu0.18.04.1+esm1","3.20231114.0ubuntu0.18.04.1+esm1","3.20240514.0ubuntu0.18.04.1+esm1","3.20240813.0ubuntu0.18.04.1+esm2","3.20240910.0ubuntu0.18.04.1+esm1","3.20241112.0ubuntu0.18.04.1+esm1","3.20250211.0ubuntu0.18.04.1+esm1","3.20250512.0ubuntu0.18.04.1+esm1","3.20250812.0ubuntu0.18.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20260210.0ubuntu0.18.04.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8068-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2025-31648","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20260210.0ubuntu0.20.04.1+esm1"}]}],"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","3.20220809.0ubuntu0.20.04.1","3.20230214.0ubuntu0.20.04.1","3.20230808.0ubuntu0.20.04.1","3.20231114.0ubuntu0.20.04.1","3.20240514.0ubuntu0.20.04.1","3.20240813.0ubuntu0.20.04.2","3.20240910.0ubuntu0.20.04.1","3.20241112.0ubuntu0.20.04.1","3.20250211.0ubuntu0.20.04.1","3.20250512.0ubuntu0.20.04.1","3.20250812.0ubuntu0.20.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20260210.0ubuntu0.20.04.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8068-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2025-31648","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"intel-microcode","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/intel-microcode?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20260210.0ubuntu0.22.04.1"}]}],"versions":["3.20210608.2ubuntu1","3.20220510.0ubuntu0.22.04.1","3.20220809.0ubuntu0.22.04.1","3.20230214.0ubuntu0.22.04.1","3.20230808.0ubuntu0.22.04.1","3.20231114.0ubuntu0.22.04.1","3.20240514.0ubuntu0.22.04.1","3.20240813.0ubuntu0.22.04.2","3.20240910.0ubuntu0.22.04.1","3.20241112.0ubuntu0.22.04.1","3.20250211.0ubuntu0.22.04.1","3.20250512.0ubuntu0.22.04.1","3.20250812.0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"intel-microcode","binary_version":"3.20260210.0ubuntu0.22.04.1"}],"availability":"No 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