{"id":"RHEA-2025:2423","summary":"Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update","modified":"2026-02-19T10:19:31Z","published":"2025-03-21T10:07:46Z","upstream":["CVE-2023-34440","CVE-2023-43758","CVE-2024-24582","CVE-2024-28127","CVE-2024-29214"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHEA-2025:2423"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhea-2025_2423.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-34440"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345401"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2023-34440"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34440"},{"type":"ARTICLE","url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-43758"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345416"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2023-43758"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43758"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-24582"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345376"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2024-24582"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24582"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-28127"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345370"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2024-28127"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28127"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-29214"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345365"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2024-29214"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-29214"}],"affected":[{"package":{"name":"microcode_ctl","ecosystem":"Red Hat:rhel_aus:8.4::baseos","purl":"pkg:rpm/redhat/microcode_ctl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:20210216-1.20250211.1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHEA-2025:2423.json"}},{"package":{"name":"microcode_ctl","ecosystem":"Red Hat:rhel_e4s:8.4::baseos","purl":"pkg:rpm/redhat/microcode_ctl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:20210216-1.20250211.1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHEA-2025:2423.json"}},{"package":{"name":"microcode_ctl","ecosystem":"Red Hat:rhel_tus:8.4::baseos","purl":"pkg:rpm/redhat/microcode_ctl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:20210216-1.20250211.1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHEA-2025:2423.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}]}