Issued at: 2026-11-06
Updated at: 2026-11-06
Advisory content derived from Red Hat RHSA-2026:95367, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() (CVE-2026-64378)
* kernel: sunrpc: pin svc_xprt across the asynchronous TLS handshake callback (CVE-2026-72222)
* kernel: sunrpc: wait for in-flight TLS handshake callback when cancel loses race (CVE-2026-72221)
* kernel: fs/resctrl: Fix use-after-free during unmount (CVE-2026-72080)
* kernel: sctp: clear new_transport when removing a peer (CVE-2026-74586)
* kernel: openvswitch: Fix CT limit teardown use-after-free (CVE-2026-89488)
* kernel: PCI/sysfs: Add lockdown checks to legacy I/O and memory handlers (CVE-2026-90315)
* kernel: kernel: xfs: Unauthorized data modification via improper file size exchange handling (CVE-2026-98974)
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.