{"id":"RLSA-2026:64770","summary":"Important: kernel-rt security 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: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)\n\n* kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002)\n\n* kernel: netfilter: synproxy: refresh tcphdr after skb_ensure_writable (CVE-2026-64007)\n\n* kernel: rhashtable: clear stale iter-\u003ep on table restart (CVE-2026-64563)\n\n* kernel: smb: client: validate DFS referral PathConsumed (CVE-2026-68343)\n\n* kernel: nvmet-rdma: handle inline data with a nonzero offset (CVE-2026-72129)\n\n* kernel: net: bridge: stop fast-leave after deleting a port group (CVE-2026-74480)\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.","modified":"2026-09-09T06:30:16.356365154Z","published":"2026-09-09T06:02:22.608167Z","upstream":["CVE-2026-43493","CVE-2026-53002","CVE-2026-64007","CVE-2026-64563","CVE-2026-68343","CVE-2026-72129","CVE-2026-74480"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:64770"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:64770"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479812"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492329"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502361"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510892"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513373"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516731"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517046"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64770"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.rt7.501.el8_10"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:64770.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}