{"id":"RLSA-2021:3027","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: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)\n\n* hw: Vector Register Data Sampling (CVE-2020-0548)\n\n* hw: L1D Cache Eviction Sampling (CVE-2020-0549)\n\n* hw: vt-d related privilege escalation (CVE-2020-24489)\n\n* hw: improper isolation of shared resources in some Intel Processors\n(CVE-2020-24511)\n\n* hw: observable timing discrepancy in some Intel Processors\n(CVE-2020-24512)\n\n* hw: Information disclosure issue in Intel SGX via RAPL interface\n(CVE-2020-8695)\n\n* hw: Vector Register Leakage-Active (CVE-2020-8696)\n\n* hw: Fast forward store predictor (CVE-2020-8698)","modified":"2026-03-11T05:59:31.426122Z","published":"2021-08-09T09:19:57Z","upstream":["CVE-2020-0543","CVE-2020-0548","CVE-2020-0549","CVE-2020-24489","CVE-2020-24511","CVE-2020-24512","CVE-2020-8695","CVE-2020-8696","CVE-2020-8698"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:3027"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1788786"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1788788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1827165"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1828583"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1890355"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1890356"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962650"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962702"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962722"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1972325"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1972328"}],"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":"4:20210216-1.20210608.1.el8_4"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:3027.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"}]}