{"schema_version": "1.7.0", "id": "RLSA-2026:82806", "modified": "2026-10-15T12:24:07.557543Z", "published": "2026-10-15T12:13:35.368950Z", "upstream": ["CVE-2026-31678", "CVE-2026-63920", "CVE-2026-68108", "CVE-2026-68236", "CVE-2026-68278", "CVE-2026-68409", "CVE-2026-80887", "CVE-2026-89811"], "summary": "Important: kernel-rt security update", "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678)\n\n* kernel: ipv6: validate extension header length before copying to cmsg (CVE-2026-63920)\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: wifi: mac80211: defer link RX stats percpu free to RCU (CVE-2026-68409)\n\n* kernel: drm/amdgpu/vce: fix integer overflow in image size (CVE-2026-68108)\n\n* kernel: drm/vmwgfx: use check_add_overflow for shader size+offset bound (CVE-2026-80887)\n\n* kernel: drm/amdkfd: Add TLB flush after MES queue eviction/suspension (CVE-2026-89811)\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:8", "name": "kernel-rt", "purl": "pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-553.173.1.rt7.514.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:82806"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461761"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502330"}, {"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=2513299"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513361"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528788"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535309"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:82806"}], "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-2026:82806"}}