Issued at: 2026-10-31
Updated at: 2026-10-31
Advisory content derived from Red Hat RHSA-2026:90365, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: udp: Deal with race between UDP socket address change and rehash (CVE-2024-57974)
* kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388)
* kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979)
* kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978)
* kernel: fuse: re-lock request before returning from fuse_ref_folio() (CVE-2026-64266)
* kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523)
* 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: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515)
* 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: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777)
* kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)
* kernel: KEYS: encrypted: fix integer overflow of datablob_len (CVE-2026-98222)
* kernel: netfilter: flowtable: hold reference on ct until flow is released (CVE-2026-98320)
Bug Fix(es) and Enhancement(s):
* kernel panic at __crypto_xor+0x2 after a number of out-of-bounds read and use-after-free read (JIRA:Rocky Linux SIG Cloud-257205)
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.