ALSA-2026:81552
Important: kernel security update
Published Oct 12, 2026 · updated Oct 15, 2026
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise (CVE-2026-46309) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508) * kernel: x86/bugs: Enable IBPB flush on BPF JIT allocation (CVE-2026-64507) * kernel: drm/amd/display: set new_stream to NULL after release (CVE-2026-68236) * kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation (CVE-2026-68278) * kernel: drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() (CVE-2026-68245) * kernel: openvswitch: fix GSO userspace truncation underflow (CVE-2026-68123) * kernel: cifs: validate DFS referral string offsets (CVE-2026-72318) * kernel: drm/vmwgfx: use check_add_overflow for shader size+offset bound (CVE-2026-80887) * kernel: nvmet-auth: Synchronize timeout work during SQ teardown (CVE-2026-89970) * kernel: drm/amdkfd: Add TLB flush after MES queue eviction/suspension (CVE-2026-89811) * kernel: media: cx231xx: reject geometry changes while the VBI queue is busy (CVE-2026-89894) 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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 12, 2026 · OSV.dev
Detected
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise (CVE-2026-46309) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508) * kernel: x86/bugs: Enable IBPB flush on BPF
Oct 15, 2026 · OSV.dev
Fix available
kernel fixed in 5.14.0-687.57.1.el9_8; kernel-64k fixed in 5.14.0-687.57.1.el9_8; kernel-64k-core fixed in 5.14.0-687.57.1.el9_8; kernel-64k-debug fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-core fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-core fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-modules fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-modules-core fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-modules-extra fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-modules fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-modules-core fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-modules-extra fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-abi-stablelists fixed in 5.14.0-687.57.1.el9_8
Oct 15, 2026 · OSV.dev
Updated
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise (CVE-2026-46309) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508) * kernel: x86/bugs: Enable IBPB flush on BPF
Affected
- AlmaLinux:9 kernel0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-core0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-debug0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-debug-core0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-debug-modules0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-debug-modules-core0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-debug-modules-extra0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-modules0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-modules-core0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-64k-modules-extra0 → 5.14.0-687.57.1.el9_8
- AlmaLinux:9 kernel-abi-stablelists0 → 5.14.0-687.57.1.el9_8