Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The function genlunregisterfamily is called first in nbdcleanup. Otherwise, there may be a race between the removal of the module and the handling of the netlink command, which can lead to an oops as shown below: BUG: Kernel...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: Fixed incomplete validation of ioctl arguments. We identified an alarm caused by incomplete validation of ioctl arguments without proper verification. The UBSAN warning appears as follows: UBSAN: Undefined behavior in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: nbd: Fixed NULL pointer in flushworkqueue Open /dev/nbdX first; the configrefs will be 1, and the pointers in nbddevice will still be null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection provided by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nbd: restricts sockets to TCP and UDP Recently, syzbot began abusing NBD using various types of sockets. The commit cf1b2326b734 “nbd: verify that sockets are supported during setup” ensured that the socket supported a shutdown...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Fixed a UAF Use-after-Allocation in nbdopen. The commit 4af5f2e03013 “nbd: Use blkmqallocdisk and blkcleanupdisk“” addresses the issue where blkcleanupdisk no longer sets disk-privatedata to NULL. A UAF could potentially...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nbd: Null check for nlaneststart nlaneststart may fail and return NULL. A check should be added, and errno should be set based on other calls within the same source code...

CVE-2026-9725

The Printcart Web to Print Product Designer for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to, and including, 2.5.2 This is due to insufficient path validation in the storedesigndata function, which constructs a filesystem path from the user-supplied...

CVE-2026-9725

The CVE-2026-9725 issue affects the Printcart Web to Print Product Designer for WooCommerce plugin for WordPress (versions

OESA-2026-2752 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbdgenlconnect error path There is a use-after-free issue in nbd: block nbd6: Receive control failed result -104 block nbd6: shutting down socket...

RHEL 8 : kernel (RHSA-2026:26535)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26535 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: geneve: Fix use-after-free in...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

RHEL 9 : kernel (RHSA-2026:26515)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26515 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: use dstdevrcu in...

USN-8412-2 qemu regression

USN-8412-1 fixed vulnerabilities in QEMU. On both Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, the fix for CVE-2024-7409 was incomplete and resulted in a regression that could cause qemu-nbd to crash when a client connected. This update fixes the problem. We apologize for the inconvenience. Original...

RXSA-2026:25121 Critical: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: geneve: Fix use-after-free in genevefinddev. CVE-2025-21858 kernel: smc: Fix use-after-free in tcpwritetimerhandler CVE-2023-53781 kernel: nbd: defer config unlock in nbdgenlconnect...

kernel security update

An update is available for kernel. This update affects Rocky Linux SIG Cloud 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2026:25121 Critical: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: geneve: Fix use-after-free in genevefinddev. CVE-2025-21858 kernel: smc: Fix use-after-free in tcpwritetimerhandler CVE-2023-53781 kernel: nbd: defer config unlock in nbdgenlconnect...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RockyLinux 8 : kernel (RLSA-2026:25121)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:25121 advisory. kernel: geneve: Fix use-after-free in genevefinddev. CVE-2025-21858 kernel: smc: Fix use-after-free in tcpwritetimerhandler CVE-2023-53781 kernel: nbd:...