{"schema_version": "1.7.0", "id": "RLSA-2026:67979", "modified": "2026-09-17T12:13:59.829149Z", "published": "2026-09-17T12:10:28.765909Z", "upstream": ["CVE-2025-31936", "CVE-2025-35973"], "summary": "Important: microcode_ctl security, bug fix, and enhancement update", "details": "The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling (CVE-2025-35973)\n\n* kernel: microcode_ctl: Intel Xeon 6 Processors: Privilege escalation via improper memory range handling in SMM (CVE-2025-31936)\n\nBug Fix(es) and Enhancement(s):\n\n* [Rocky Linux 10.2.z] Update Intel CPU microcode to the latest version (JIRA:Rocky Linux-260582)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "microcode_ctl", "purl": "pkg:rpm/rocky-linux/microcode_ctl?distro=rocky-linux-10-aarch64&epoch=4"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "4:20260812-0.el10_2"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:67979"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514104"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514115"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:67979"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:67979"}}