RLSA-2026:87374
RLSA-2026:87374 · Important: kernel-rt security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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: 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.
CVSS 7.8 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-553.177.1.rt7.518.el8_10
Update to 0:4.18.0-553.177.1.rt7.518.el8_10
Original sources
- https://errata.rockylinux.org/RLSA-2026:87374
- https://bugzilla.redhat.com/show_bug.cgi?id=2502486
- https://bugzilla.redhat.com/show_bug.cgi?id=2507098
- https://bugzilla.redhat.com/show_bug.cgi?id=2511413
- https://bugzilla.redhat.com/show_bug.cgi?id=2513245
- https://bugzilla.redhat.com/show_bug.cgi?id=2524501
- https://bugzilla.redhat.com/show_bug.cgi?id=2525413
- https://bugzilla.redhat.com/show_bug.cgi?id=2535066
- https://access.redhat.com/errata/RHSA-2026:87374
- https://osv.dev/vulnerability/RLSA-2026:87374