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Red Hat Security Advisory

RHSA-2026:24381

kernel security update

Released 2026-06-08 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 3 records

TI-2026-33964 CVE-2026-46243 · GHSA-3mg7-pfmq-9qfv

smb: client: reject userspace cifs.spnego descriptions

Priority HIGH 69

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upca…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00413 Published 2026-06-01 Fixed in 5.10.258, 5.15.209 +6 CWE-20
TI-2026-24342 CVE-2026-31786 · GHSA-7p99-gmjx-2f7r

Buffer overflow in drivers/xen/sys-hypervisor.c

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISOR_xen_version(XENVER_build_id) is neither NUL terminated nor a string.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00197 Published 2026-04-30 Partial fix · 5.10.254, 5.15.204 +6 CWE-120
TI-2026-24170 CVE-2026-31613 · GHSA-3w37-m4pg-q585

smb: client: fix OOB reads parsing symlink error response

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB reads parsing symlink error response When a CREATE returns STATUS_STOPPED_ON_SYMLINK, smb2_check_message() returns success without…

CVSS 3.1HIGH 8.1 Network No auth User interaction EPSS 0.00387 Published 2026-04-24 Partial fix · 6.1, 6.1.175 +6 CWE-125