RLSA-2026:66180
RLSA-2026:66180 · Important: kernel security, bug fix, and enhancement update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133) * kernel: ipv6: prevent possible UaF in addrconf_permanent_addr() (CVE-2026-43339) * kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493) * kernel: tcp: call sk_data_ready() after listener migration (CVE-2026-46015) * kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149) * kernel: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (CVE-2026-46266) * kernel: flow_dissector: do not dissect PPPoE PFC frames (CVE-2026-46306) * kernel: Revert "net/smc: Introduce TCP ULP support" (CVE-2026-46330) * kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002) * kernel: net: guard timestamp cmsgs to real error queue skbs (CVE-2026-53223) * kernel: ipv6: mcast: Fix use-after-free when processing MLD queries (CVE-2026-53275) * kernel: ipv4: account for fraggap on the paged allocation path (CVE-2026-53366) * kernel: net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer (CVE-2026-64034) * kernel: rhashtable: clear stale iter->p on table restart (CVE-2026-64563) * kernel: smb: client: fix double-free in SMB2_close() replay (CVE-2026-64597) * kernel: nvmet-rdma: handle inline data with a nonzero offset (CVE-2026-72129) * kernel: net: bridge: stop fast-leave after deleting a port group (CVE-2026-74480) Bug Fix(es) and Enhancement(s): * KSM to deduplicate only zero pages [rhel-9.8.z] (JIRA:Rocky Linux-249161) 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 8.1 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel Rocky Linux:9
- Affected ranges
- ECOSYSTEM: < 0:5.14.0-687.46.1.el9_8
Update to 0:5.14.0-687.46.1.el9_8
Original sources
- https://errata.rockylinux.org/RLSA-2026:66180
- https://bugzilla.redhat.com/show_bug.cgi?id=2467065
- https://bugzilla.redhat.com/show_bug.cgi?id=2468102
- https://bugzilla.redhat.com/show_bug.cgi?id=2479812
- https://bugzilla.redhat.com/show_bug.cgi?id=2481936
- https://bugzilla.redhat.com/show_bug.cgi?id=2482566
- https://bugzilla.redhat.com/show_bug.cgi?id=2484456
- https://bugzilla.redhat.com/show_bug.cgi?id=2486463
- https://bugzilla.redhat.com/show_bug.cgi?id=2486999
- https://bugzilla.redhat.com/show_bug.cgi?id=2492329
- https://bugzilla.redhat.com/show_bug.cgi?id=2492811
- https://bugzilla.redhat.com/show_bug.cgi?id=2492841
- https://bugzilla.redhat.com/show_bug.cgi?id=2501252
- https://bugzilla.redhat.com/show_bug.cgi?id=2502394
- https://bugzilla.redhat.com/show_bug.cgi?id=2510892
- https://bugzilla.redhat.com/show_bug.cgi?id=2511932
- https://bugzilla.redhat.com/show_bug.cgi?id=2516731
- https://bugzilla.redhat.com/show_bug.cgi?id=2517046
- https://access.redhat.com/errata/RHSA-2026:66180
- https://osv.dev/vulnerability/RLSA-2026:66180