{"schema_version": "1.7.0", "id": "RLSA-2026:66180", "modified": "2026-09-11T12:13:51.798201Z", "published": "2026-09-11T12:05:26.835797Z", "upstream": ["CVE-2026-43133", "CVE-2026-43339", "CVE-2026-43493", "CVE-2026-46015", "CVE-2026-46149", "CVE-2026-46266", "CVE-2026-46306", "CVE-2026-46330", "CVE-2026-53002", "CVE-2026-53223", "CVE-2026-53275", "CVE-2026-53366", "CVE-2026-64034", "CVE-2026-64563", "CVE-2026-64597", "CVE-2026-72129", "CVE-2026-74480"], "summary": "Important: kernel security, bug fix, and enhancement update", "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133)\n\n* kernel: ipv6: prevent possible UaF in addrconf_permanent_addr() (CVE-2026-43339)\n\n* kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)\n\n* kernel: tcp: call sk_data_ready() after listener migration (CVE-2026-46015)\n\n* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)\n\n* kernel: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (CVE-2026-46266)\n\n* kernel: flow_dissector: do not dissect PPPoE PFC frames (CVE-2026-46306)\n\n* kernel: Revert \"net/smc: Introduce TCP ULP support\" (CVE-2026-46330)\n\n* kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002)\n\n* kernel: net: guard timestamp cmsgs to real error queue skbs (CVE-2026-53223)\n\n* kernel: ipv6: mcast: Fix use-after-free when processing MLD queries (CVE-2026-53275)\n\n* kernel: ipv4: account for fraggap on the paged allocation path (CVE-2026-53366)\n\n* kernel: net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer (CVE-2026-64034)\n\n* kernel: rhashtable: clear stale iter->p on table restart (CVE-2026-64563)\n\n* kernel: smb: client: fix double-free in SMB2_close() replay (CVE-2026-64597)\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\nBug Fix(es) and Enhancement(s):\n\n* KSM to deduplicate only zero pages [rhel-9.8.z] (JIRA:Rocky Linux-249161)\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:9", "name": "kernel", "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.14.0-687.46.1.el9_8"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:66180"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467065"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468102"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479812"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481936"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482566"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484456"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486463"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486999"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492329"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492811"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492841"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2501252"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502394"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510892"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511932"}, {"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-2026:66180"}], "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-2026:66180"}}