{"id":"RLSA-2022:6437","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* Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)\n\n* Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)\n\n* Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)\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* The latest Rocky Linux 8.6.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2111112)","modified":"2026-03-11T06:15:20.038528Z","published":"2022-09-13T07:36:33Z","upstream":["CVE-2022-21123","CVE-2022-21125","CVE-2022-21166"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2022:6437"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2090237"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2090240"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2090241"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8-6-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-372.26.1.rt7.183.el8_6"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2022:6437.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}