ALSA-2026:59737

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• 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 ipsetlist 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):

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

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.