{"schema_version": "1.7.0", "id": "RLSA-2026:81552", "modified": "2026-10-14T06:37:54.717941Z", "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"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "kernel", "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"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:81552"}}