Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613) * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786) * kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions (CVE-2026-46243) 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613) * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786) * kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions (CVE-2026-46243) 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2026:24381
- https://access.redhat.com/security/cve/CVE-2026-31613
- https://access.redhat.com/security/cve/CVE-2026-31786
- https://access.redhat.com/security/cve/CVE-2026-46243
- https://bugzilla.redhat.com/2461480
- https://bugzilla.redhat.com/2464096
- https://bugzilla.redhat.com/2481486
- https://errata.almalinux.org/9/ALSA-2026-24381.html