Security Fix(es) for kernel 4.18.0-553.158.1.el8_10:

• kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924)
• kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode (CVE-2026-63886)
• kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913)
• kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191)
• kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)
• kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)
• kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)
• kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)

Bug Fix(es) and Enhancement(s):

• ss core dumped when there is an SCTP session [rhel-8.10.z] (JIRA:RHEL-212400)
• SELinux TCP/MPTCP connect check bypass via TCP Fast Open [rhel-8.10.z] (JIRA:RHEL-222800)
• [RHEL-RT] usb_hub_wq items may run on isolated+nohz_full cores (JIRA:RHEL-178088)

https://access.redhat.com/errata/product/479/ver=/rhel---8/x86_64/RHSA-2026:59821