{"id":"RLSA-2021:2308","summary":"Important: microcode_ctl security, bug fix and enhancement update","details":"The microcode_ctl packages provide microcode updates for Intel.\n\nSecurity Fix(es):\n\n* hw: vt-d related privilege escalation (CVE-2020-24489)\n\n* hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)\n\n* hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)\n\n* hw: information disclosure on some Intel Atom processors (CVE-2020-24513)\n\nBug Fix(es) and Enhancement(s):\n\n* Update Intel CPU microcode to microcode-20210525 release","modified":"2026-03-11T05:57:12.513516Z","published":"2021-06-08T23:43:58Z","upstream":["CVE-2020-24489","CVE-2020-24511","CVE-2020-24512","CVE-2020-24513"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:2308"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962650"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962666"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962702"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962722"}],"affected":[{"package":{"name":"microcode_ctl","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/microcode_ctl?distro=rocky-linux-8-4-legacy&epoch=4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:20210216-1.20210525.1.el8_4"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:2308.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}