ALSA-2026:64808
ALSA-2026:64808 · Important: kernel security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: can: bcm: add locking for bcm_op runtime updates (CVE-2025-38004) * kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933) * kernel: netfilter: nat: use kfree_rcu to release ops (CVE-2026-53000) * kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136) * kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320) * kernel: nvmet-auth: validate reply message payload bounds against transfer length (CVE-2026-64319) * kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU (CVE-2026-64287) * kernel: smb: client: fix change notify replay double-free (CVE-2026-64384) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-devel AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-devel-matched AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-modules AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-modules-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-debug-modules-extra AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-devel AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-devel-matched AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-modules AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-modules-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-64k-modules-extra AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-abi-stablelists AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-cross-headers AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug-devel AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug-devel-matched AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug-modules AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
kernel-debug-modules-core AlmaLinux:9
- Affected ranges
- ECOSYSTEM: < 5.14.0-687.45.1.el9_8
Update to 5.14.0-687.45.1.el9_8
Original sources
- https://access.redhat.com/errata/RHSA-2026:64808
- https://access.redhat.com/security/cve/CVE-2025-38004
- https://access.redhat.com/security/cve/CVE-2026-52933
- https://access.redhat.com/security/cve/CVE-2026-53000
- https://access.redhat.com/security/cve/CVE-2026-64136
- https://access.redhat.com/security/cve/CVE-2026-64287
- https://access.redhat.com/security/cve/CVE-2026-64319
- https://access.redhat.com/security/cve/CVE-2026-64320
- https://access.redhat.com/security/cve/CVE-2026-64384
- https://bugzilla.redhat.com/2370992
- https://bugzilla.redhat.com/2492097
- https://bugzilla.redhat.com/2492273
- https://bugzilla.redhat.com/2502527
- https://bugzilla.redhat.com/2507061
- https://bugzilla.redhat.com/2507096
- https://bugzilla.redhat.com/2507129
- https://bugzilla.redhat.com/2507287
- https://errata.almalinux.org/9/ALSA-2026-64808.html
- https://osv.dev/vulnerability/ALSA-2026:64808