Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. 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 th...

RHEL 8 : kernel (RHSA-2026:23258)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:23258 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: smb: client: reject...

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:...

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...

ALSA-2026:23329 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: nbd: defer config unlock in nbdgenlconnect CVE-2025-68366 kernel: smb: client: fix OO...

Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues,...

ALSA-2026:23259 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 For more details about the security issues,...

SUSE 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,...

Linux Distros Unpatched Vulnerability : CVE-2026-46243

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority- bearing fields such as pid, uid, creduid, and upcalltarge...

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,...

UBUNTU-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,...

EUVD-2026-33668

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,...

CVE-2026-46243

The CVE-2026-46243 entry concerns the Linux kernel CIFS client. It fixes a bug where cifs.spnego key descriptions could be created by userspace (via request_key(2) or add_key(2)) and include fields (pid, uid, creduid, upcall_target) that are treated as kernel-origin inputs. The fix restricts acce...

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,...

CVE-2026-46243 smb: client: reject userspace cifs.spnego descriptions

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,...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a denial-of-service attack in the user space for the cifs.spnego process. This vulnerability could lead...

Astra Linux - уязвимость в bind9

In BIND 9.5.0 - 9.11.29, 9.12.0 - 9.16.13, and versions BIND 9.11.3-S1 - 9.11.29-S1 and 9.16.8-S1 - 9.16.13-S1 of the Supported Preview Edition, as well as release versions 9.17.0 - 9.17.1 of the BIND 9.17 development branch, BIND servers are vulnerable if they are running an affected version and...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A mechToken leak was fixed when the SPNEGO decoding failed after the token allocation. The kernel’s ASN.1 BER decoder calls action callbacks incrementally as it processes the input. When ksmbddecodenegTokenInit reaches the...

Astra Linux - уязвимость в heimdal

Before version 7.7.1, Heimdal allowed attackers to cause a NULL pointer dereference in an SPNEGO acceptor, by using a preferredmechtype of GSSCNOOID and a non-zero initialresponse value for sendaccept...