ALSA-2026:89082

ALSA-2026:89082 · Important: kernel-rt security, bug fix, and enhancement update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() (CVE-2026-64378) * kernel: net: gro: fix double aggregation of flush-marked skbs (CVE-2026-68136) * kernel: net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338) * kernel: net/iucv: fix use-after-free of a severed iucv_path (CVE-2026-68140) * kernel: net/sched: serialize qdisc_rtab_list against concurrent get/put (CVE-2026-68138) * kernel: ipvs: reload ip header after head reallocation (CVE-2026-68476) * kernel: selinux: avoid sk_socket dereference in selinux_sctp_bind_connect() (CVE-2026-72242) * kernel: mptcp: options: reset DSS fields in case of unexpected size (CVE-2026-80586) * kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824) * kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638) * kernel: net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CVE-2026-81003) * kernel: ipv4: validate checksum_start before completing checksum (CVE-2026-99999) Bug Fix(es) and Enhancement(s): * Backport 6785011f8b16 ("ipv4: validate checksum_start before completing checksum") [almalinux-8.10.z] (JIRA:AlmaLinux-280584) 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.

Fix available

Published

2026-10-24T00:00:00Z

Updated

2026-10-26T20:56:56.070038251Z

Stack: system

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