{"schema_version": "1.7.0", "id": "RLSA-2026:64770", "modified": "2026-09-09T06:12:31.757235Z", "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"], "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->p 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "kernel-rt", "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"}}]}], "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"}], "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-2026:64770"}}