Astra Linux – Vulnerability in OpenVPN

OpenVPN 2.1 up to v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plugins when more than one of them uses deferred authentication responses. This allows an external user to be granted access with only partially correct credentials...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/fb-helper: Fixed out-of-bounds access issues The memory range was clipped to the size of the screen buffer to avoid out-of-bounds access during the damage handling in fbdev’s deferred I/O operations. fbdev’s deferred I/O c...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: Fixed the issue of “use-after-free” in removenhgrpentry. When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer, and then immediately frees the removed entry’s percpu sta...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: Fixed a memory leak in nfcmrvlplaydeferred. Similar to the handling of playdeferred in commit 19cfe912c37b “Bluetooth: btusb: Fixed a memory leak in playdeferred”, we thought a patch might be necessary here as well...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Driver Core: Fixed the interaction between waitfordeviceprobe and deferredprobetimeout. The mounting of NFS rootfs timed out when deferredprobetimeout was non-zero 1. This occurred because the ipautoconfig initcall timed out...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: All reserved memblocks on Node0 are set at initialization. After the commit 61167ad5fecdea "mm: pass nid to reservebootmemregion", a panic occurs if DEFERREDSTRUCTPAGEINIT is enabled: 0.000000 CPU 0 Unable to handle...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: The “Drain deferred trigger” operation is freed if kthread creation fails. Registration of boot-time triggers may fail before the trigger-data cleanup is completed. If a kthread exists, deferring the “Drain deferred...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SMB3: Added missing locks to protect the deferred close file list. The cifsdeldeferredclose function has a critical section that modifies the deferred close file list. We must acquire the deferredlock before calling the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fixed the error code in iwlopmodedvmstart The error code should be preserved if iwlsetupdeferredwork fails. The current code returns ERRPTR0 which is NULL at this point. I believe that the missing error code could...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: Avoid clearing hardware interrupts if hwintr is null during drm uninit. If the edp modeset init fails due to the panel not being ready, and the probe is deferred during drm bind, avoid clearing IRQs and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: fbtft: Core: Set smemlen before calling fbdeferredioinit. The fbtftframebufferalloc function calls fbdeferredioinit before initializing info-fix.smemlen. This value is set to zero by the framebufferalloc function. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fixed invalid page access after closing deferred I/O devices. When a fbdev with deferred I/O is opened and closed, the dirty pages still remain in the pageref list. Eventually, those pages may be processed during the delay...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Defer the release of the inner map when necessary When updating or deleting an inner map in the map array or map htab, the map may still be accessed by non-sleepable programs or sleepable programs. However, the...

SUSE CVE-2026-43374

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix percpu use-after-free in removenhgrpentry When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer then immediately frees the removed entry's percpu stats with...

CentOS 9 : kernel-5.14.0-704.el9

"The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the kernel-5.14.0-704.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: iommu: disable SVA when CONFIGX86 is set Patch series Fix stale...

Unity Linux 20.1060e / 20.1070e Security Update: openvpn (UTSA-2026-017649)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017649 advisory. OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred...

Unity Linux 20.1070e Security Update: openvpn (UTSA-2026-017373)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017373 advisory. OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred...

CVE-2026-42209 FlashMQ: Division by zero crash when using non-default deferred retained message setting

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.1, a remote client with retained publish permission can crash the FlashMQ broker when both setretainedmessagedefertimeout and setretainedmessagedefertimeoutspread are configured to non-default values,...

CVE-2026-42209 FlashMQ: Division by zero crash when using non-default deferred retained message setting

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.1, a remote client with retained publish permission can crash the FlashMQ broker when both setretainedmessagedefertimeout and setretainedmessagedefertimeoutspread are configured to non-default values,...

CVE-2026-42209 FlashMQ: Division by zero crash when using non-default deferred retained message setting

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.1, a remote client with retained publish permission can crash the FlashMQ broker when both setretainedmessagedefertimeout and setretainedmessagedefertimeoutspread are configured to non-default values,...