{"id":"ALSA-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  * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925)\n  * kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508)\n  * kernel: x86/bugs: Enable IBPB flush on BPF JIT allocation (CVE-2026-64507)\n  * kernel: drm/amd/display: set new_stream to NULL after release (CVE-2026-68236)\n  * kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation (CVE-2026-68278)\n  * kernel: drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() (CVE-2026-68245)\n  * kernel: openvswitch: fix GSO userspace truncation underflow (CVE-2026-68123)\n  * kernel: cifs: validate DFS referral string offsets (CVE-2026-72318)\n  * kernel: drm/vmwgfx: use check_add_overflow for shader size+offset bound (CVE-2026-80887)\n  * kernel: nvmet-auth: Synchronize timeout work during SQ teardown (CVE-2026-89970)\n  * kernel: drm/amdkfd: Add TLB flush after MES queue eviction/suspension (CVE-2026-89811)\n  * kernel: media: cx231xx: reject geometry changes while the VBI queue is busy (CVE-2026-89894)\n\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.\n","modified":"2026-10-15T10:56:55.768854491Z","published":"2026-10-12T00:00:00Z","related":["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"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:81552"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46309"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63925"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64507"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64508"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68123"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68236"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68245"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68278"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-72318"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-80887"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-89811"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-89894"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-89970"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2486468"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502397"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2507153"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2507218"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513148"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513287"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513430"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513451"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2516396"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2528788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535265"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535309"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535338"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-81552.html"}],"affected":[{"package":{"name":"kernel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-debug","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-debug-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-debug-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-debug-modules-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:81552.json"}},{"package":{"name":"kernel-64k-debug-modules-extra","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-687.57.1.el9_8"}]}],"database_specific":{"source":"https://gith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