{"id":"RLSA-2026:66324","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-\u003esk 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.","modified":"2026-09-11T06:30:02.579964770Z","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"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:66324"},"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"}],"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":"0:4.18.0-553.162.1.rt7.503.el8_10"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:66324.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}