{"schema_version": "1.7.0", "id": "RLSA-2026:66324", "modified": "2026-09-11T06:13:23.760726Z", "published": "2026-09-11T06:02:30.927426Z", "upstream": ["CVE-2025-68745", "CVE-2026-46149", "CVE-2026-52917", "CVE-2026-52942", "CVE-2026-52986", "CVE-2026-53091", "CVE-2026-53246", "CVE-2026-63801", "CVE-2026-63971", "CVE-2026-64015", "CVE-2026-64113", "CVE-2026-68117", "CVE-2026-68300", "CVE-2026-68315", "CVE-2026-68376"], "summary": "Important: kernel-rt security, bug fix, and enhancement 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: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)\n\n* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)\n\n* kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942)\n\n* kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)\n\n* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)\n\n* kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986)\n\n* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)\n\n* kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)\n\n* kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)\n\n* kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)\n\n* kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)\n\n* kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)\n\n* kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)\n\n* kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)\n\n* kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)\n\nBug Fix(es) and Enhancement(s):\n\n* scsi: mpt3sas: avoid freeing unallocated PCIe SGL buffers [rhel 8.6.z] (JIRA:Rocky Linux-194117)\n\n* gfs2: harden gfs2_glock_hold [Rocky Linux-8] (JIRA:Rocky Linux-240340)\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:L/AC:H/PR:L/UI:N/S:U/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&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:66324"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425039"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482566"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492091"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492115"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492270"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492397"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492771"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502254"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502331"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502380"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502541"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513253"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513397"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513408"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513474"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:66324"}], "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-2026:66324"}}