{"schema_version": "1.3.1", "id": "RLSA-2021:3547", "modified": "2023-02-02T14:11:07.718645Z", "published": "2021-09-15T09:40:56Z", "related": ["CVE-2021-3653"], "summary": "Moderate: kernel-rt security and bug fix update", "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653)\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.\n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the Rocky Linux-8.4.z source tree (BZ#2001131)", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "kernel-rt", "purl": "pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8-4-legacy&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-305.19.1.rt7.91.el8_4"}], "database_specific": {"yum_repository": "RT"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2021:3547"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1983686"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}