PT-2026-64758

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/hyperv component where the hyperv receive sub function processes VMBus packets without verifying the actual number of bytes written by the host into hv-recv bu...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Another memory leak has been fixed in the error handling paths. The memory allocated by vmbusallocring at the beginning of the probe function is never freed during the error handling process. The missing vmbusfreeri...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fixed the initialization of the device object in vmbusdeviceregister. Initialized the device’s dmamask,parms pointers and the device’s dmamask value before invoking deviceregister. This issue was addressed in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021584)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021584 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet If the KVP or VSS daemon star...

EUVD-2026-28781

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPTRT This resolves the follow splat and lock-up when running with PREEMPTRT enabled on Hyper-V: 415.140818 BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002 415.14082...

Windows 11 25H2 - Heap Overflow

Exploit Title: Windows 11 25H2 - Heap Overflow Ghost Patch Exploit Framework Date: 2026-02-13 Exploit Author: nu11secur1ty Vendor Homepage: https://www.microsoft.com Software Link: https://www.microsoft.com/software-download/windows11 Version: Windows 11 25H2 Build 26200.7830 Vulnerable Tested on...

The vulnerability of the vmbus_disconnect() function in the drivers/hv/connection.c module of the Microsoft HyperV Linux kernel driver allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the vmbusdisconnect function in the drivers/hv/connection.c module of the Microsoft HyperV Linux operating system kernel is related to the dereferencing of the NULL pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, an...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006676)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006676 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Don't dereference ACPI root object handle Since the commit referenced in the...

The vulnerability of the vmbus_acpi_add() function in the drivers/hv/vmbus_drv.c module of the Microsoft HyperV Linux operating system kernel allows a attacker to cause a service failure.

The vulnerability of the vmbusacpiadd function in the drivers/hv/vmbusdrv.c module of the Microsoft HyperV Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005613)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005613 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel assumes vmbus...

Azure Linux 3.0 Security Update: kernel (CVE-2024-36910)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36910 advisory. - In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Don't free decrypted memor...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-991122)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991122 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990589)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990589 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988937)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988937 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989241)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989241 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj kobjectinitandadd takes reference even...

CVE-2025-40048

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Let userspace take care of interrupt mask Remove the logic to set interrupt mask by default in uiohvgeneric driver as the interrupt mask value is supposed to be controlled completely by the user space. If the mask b...

AZL-68909 CVE-2025-40048 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Let userspace take care of interrupt mask Remove the logic to set interrupt mask by default in uiohvgeneric driver as the interrupt mask value is supposed to be controlled completely by the user space. If the mask b...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987570)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987570 advisory. In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic...

EUVD-2022-55106

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic notifier infrastructure to perform some operations when a panic event is detected. Since vmbus can be built as module, it is required...

EUVD-2022-55105

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix initialization of device object in vmbusdeviceregister Initialize the device's dmamask,parms pointers and the device's dmamask value before invoking deviceregister. Address the following trace with 5.17-rc...