{"id":"RLSA-2026:81552","summary":"Important: kernel security update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise (CVE-2026-46309)\n\n* kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925)\n\n* kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508)\n\n* kernel: x86/bugs: Enable IBPB flush on BPF JIT allocation (CVE-2026-64507)\n\n* kernel: drm/amd/display: set new_stream to NULL after release (CVE-2026-68236)\n\n* kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation (CVE-2026-68278)\n\n* kernel: drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() (CVE-2026-68245)\n\n* kernel: openvswitch: fix GSO userspace truncation underflow (CVE-2026-68123)\n\n* kernel: cifs: validate DFS referral string offsets (CVE-2026-72318)\n\n* kernel: drm/vmwgfx: use check_add_overflow for shader size+offset bound (CVE-2026-80887)\n\n* kernel: nvmet-auth: Synchronize timeout work during SQ teardown (CVE-2026-89970)\n\n* kernel: drm/amdkfd: Add TLB flush after MES queue eviction/suspension (CVE-2026-89811)\n\n* kernel: media: cx231xx: reject geometry changes while the VBI queue is busy (CVE-2026-89894)\n\nFor 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.","modified":"2026-10-14T07:00:02.771547545Z","published":"2026-10-14T06:30:05.473043Z","upstream":["CVE-2026-46309","CVE-2026-63925","CVE-2026-64507","CVE-2026-64508","CVE-2026-68123","CVE-2026-68236","CVE-2026-68245","CVE-2026-68278","CVE-2026-72318","CVE-2026-80887","CVE-2026-89811","CVE-2026-89894","CVE-2026-89970"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:81552"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:81552"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2486468"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502397"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507153"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507218"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513148"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513287"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513430"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513451"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516396"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535265"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535309"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535338"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:81552"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-687.57.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:81552.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}