CVE-2026-46309

kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: d...

CVE-2026-46309 is fixed in 75 products on 1 platform, first by DEBIAN-CVE-2026-46309, released June 24, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
kernel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel · rocky 9 0:5.14.0-687.57.1.el9_8 RLSA-2026:81552 Nov 7, 2026
kernel-64k · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-debug · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-debug-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-debug-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-devel-matched · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-modules · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-debug-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-modules-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-debug-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-debug-modules-extra · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-devel-matched · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-modules · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-modules-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-64k-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-64k-modules-extra · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-abi-stablelists · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-abi-stablelists · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-abi-stablelists · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-core · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-cross-headers · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-debug · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-debug-core · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-devel · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-devel-matched · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-devel-matched · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-modules · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-debug-modules · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-modules-core · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-debug-modules-core · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-modules-extra · almalinux 9 5.14.0-687.57.1.el9_8 ALSA-2026:81552 Nov 7, 2026
kernel-debug-modules-extra · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-debug-uki-virt · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-debug-uki-virt · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-devel · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-devel-matched · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-devel-matched · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-doc · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-doc · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-headers · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-modules · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-modules-core · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-modules-extra · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-rt · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-debug-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-64k-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-debug-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-rt-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-tools · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-tools · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-tools-libs · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-tools-libs · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-tools-libs-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-tools-libs-devel · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-uki-virt · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-uki-virt · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-uki-virt-addons · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-uki-virt-addons · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
kernel-zfcpdump · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-devel · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-devel-matched · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-modules · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-modules-core · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
kernel-zfcpdump-modules-extra · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
libperf · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
libperf · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
linux · Debian 14 7.0.9-1 DEBIAN-CVE-2026-46309 Jun 24, 2026
perf · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
perf · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
python3-perf · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
python3-perf · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
rtla · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
rtla · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026
rv · RHEL 9 0:5.14.0-687.57.1.el9_8 RHSA-2026:81552 Oct 13, 2026
rv · ol 9 0:5.14.0-687.57.1.el9_8 ELSA-2026-81552 Nov 7, 2026

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