RLSA-2026:66325

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RLSA-2026:66325

Summary: Important: kernel security, bug fix, and enhancement update

Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745) * kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149) * kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942) * kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917) * kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091) * kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986) * kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246) * kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801) * kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971) * kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015) * kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113) * kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376) * kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117) * kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300) * kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315) Bug Fix(es) and Enhancement(s): * scsi: mpt3sas: avoid freeing unallocated PCIe SGL buffers [rhel 8.6.z] (JIRA:Rocky Linux-194117) * gfs2: harden gfs2_glock_hold [Rocky Linux-8] (JIRA:Rocky Linux-240340) For 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.

References: https://errata.rockylinux.org/RLSA-2026:66325, https://bugzilla.redhat.com/show_bug.cgi?id=2425039, https://bugzilla.redhat.com/show_bug.cgi?id=2482566, https://bugzilla.redhat.com/show_bug.cgi?id=2492091, https://bugzilla.redhat.com/show_bug.cgi?id=2492115, https://bugzilla.redhat.com/show_bug.cgi?id=2492270, https://bugzilla.redhat.com/show_bug.cgi?id=2492397, https://bugzilla.redhat.com/show_bug.cgi?id=2492771, https://bugzilla.redhat.com/show_bug.cgi?id=2502254, https://bugzilla.redhat.com/show_bug.cgi?id=2502331, https://bugzilla.redhat.com/show_bug.cgi?id=2502380, https://bugzilla.redhat.com/show_bug.cgi?id=2502541, https://bugzilla.redhat.com/show_bug.cgi?id=2513253, https://bugzilla.redhat.com/show_bug.cgi?id=2513397, https://bugzilla.redhat.com/show_bug.cgi?id=2513408, https://bugzilla.redhat.com/show_bug.cgi?id=2513474, https://access.redhat.com/errata/RHSA-2026:66325