RLSA-2026:23258 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

MiracleLinux 8 : kernel-4.18.0-553.129.1.el8_10 (AXSA:2026-772:41)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-772:41 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly fro...

RockyLinux 8 : kernel-rt (RLSA-2026:23259)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:23259 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly from t...

RockyLinux 8 : kernel (RLSA-2026:23258)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:23258 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly from t...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks bsc1263790. CVE-2026-43037: ip6tunnel: clear skb2-cb in ip4ip6err bsc1263995. CVE-2026-43206:...

ROOT-OS-UBUNTU-2404-CVE-2026-46243 CVE-2026-46243 in rootio-linux - Patched by Root

Root has patched CVE-2026-46243 in the rootio-linux package for Root:Ubuntu:24.04. Multiple fixed versions available...

RHEL 10 : kernel (RHSA-2026:23395)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:23395 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: CVE-2026-46243 kernel: Linux kernel: smb:...

RHEL 10 : kernel (RHSA-2026:23329)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:23329 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment...

RHEL 8 : kernel-rt (RHSA-2026:23259)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:23259 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

Oracle Linux 8 : kernel (ELSA-2026-23258)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-23258 advisory. - smb: client: reject userspace cifs.spnego descriptions Paulo Alcantara RHEL-178938 CVE-2026-46243 - smb: client: fix OOB reads parsing symlink error response...

AlmaLinux 8 : kernel-rt (ALSA-2026:23259)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:23259 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly from th...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE lin...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

AlmaLinux 8 : kernel (ALSA-2026:23258)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:23258 advisory. kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Tenable has extracted the preceding description block directly from th...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

ALSA-2026:23258 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

Exploit for CVE-2026-46243

cifswitch-check A shell script to check whether a Linux syste...

CVE-2026-46243

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 upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...