Issued at: 2026-10-23
Updated at: 2026-10-23
Advisory content derived from Red Hat RHSA-2026:87375, © 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: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114)
* kernel: fuse: re-lock request before returning from fuse_ref_folio() (CVE-2026-64266)
* kernel: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (CVE-2026-64572)
* kernel: ALSA: seq: close a re-opened queue timer in the destructor (CVE-2026-68202)
* kernel: xfs: bounds-check buffer log item's dirty bitmap (CVE-2026-80536)
* kernel: inet: frags: strip GSO state from fragments before reassembly (CVE-2026-80590)
* kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777)
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.