HyperV

HyperV Almost one year ago, I wrote a PoC for CVE-2017-0075 after had read Jordan Rabet's blackhat talk. But I've no time to make a working exploit:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fixed the flushtlbrange function when it is used to erase normal PMD entries PMD entries that point to page tables, along with the PTE entries in the pointed-to page table. In the arm64 version of flushtlbrange, there is ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: fixed a possible memory leak in mousevscprobe If hidadddevice returns an error, it should call hiddestroydevice to free the hiddev that was allocated in hidallocatedevice...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: util: Avoid accessing a ringbuffer that is not initialized yet. If the KVP or VSS daemon starts before the VMBus channel’s ringbuffer is fully initialized, we can encounter a panic as follows: hvutils: Registering th...

SUSE CVE-2026-80765

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

EUVD-2026-71408

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

CVE-2026-80765

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

CVE-2026-80765 HID: hyperv: validate initial device info bounds

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

CVE-2026-80765

CVE-2026-80765 affects the Linux kernel 's Hyper-V synthetic HID driver. The function mousevsc_on_receive_device_info() trusts the bLength and wDescriptorLength fields in SYNTH_HID_INITIAL_DEVICE_INFO messages without verifying that the received VMBus packet actually contains both the HID descrip...

CVE-2026-80765 HID: hyperv: validate initial device info bounds

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

PT-2026-91352

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTH HID INITIAL DEVICE INFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsc on receive device inf...

Linux Distros Unpatched Vulnerability : CVE-2026-80765

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor follow...

The vulnerability of the netvsc_copy_to_send_buf() function in the drivers/net/hyperv.netvsc.c driver for Linux kernel-based network devices allows a attacker to cause a service failure.

The vulnerability of the netvsccopytosendbuf function in the drivers/net/hyperv.netvsc.c file of the Linux kernel network device driver is related to errors during pointer scaling. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

CVE-2026-80765: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

PT-2026-85606

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.5-1.1 Description The Hyper-V synthetic HID host provides SYNTH HID INITIAL DEVICE INFO messages containing a HID descriptor and report descriptor bytes. The mousevsc on receive device info function fails to...

The vulnerability of the hvpciprobe() function in the drivers/pci/controller/pci-hyperv.c file of the Linux operating system’s PCI device driver module allows a hacker to cause a service failure.

The vulnerability of the hvpciprobe function in the drivers/pci/controller/pci-hyperv.c file of the Linux kernel’s PCI device driver module is related to the lack of lock checking. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the mshv_handle_gpa_intercept() function in the drivers/hv/mshv_root_main.c file of the Linux operating system for Microsoft HyperV kernel driver allows a attacker to cause a service failure.

The vulnerability of the mshvhandlegpaintercept function in the drivers/hv/mshvrootmain.c file of the Microsoft HyperV Linux operating system kernel driver is related to the improper disabling or release of resources. Exploiting this vulnerability could allow a remote attacker to cause service...

The vulnerability of the mshv_partition_create_region() function in the drivers/hv/mshv_root_main.c file of the Linux operating system’s Microsoft HyperV guest mode driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the mshvpartitioncreateregion function in the drivers/hv/mshvrootmain.c file of the Microsoft HyperV kernel driver for Linux operating systems is related to insufficient validation of input data. Exploiting this vulnerability could allow an attacker to compromise the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Check that output polling is initialized before disabling it. In drmkmshelperpolldisable, check that output polling is initialized before disabling polling. If not, flag this as a warning. Additionally, in...

The vulnerability of the hyperv.netvsc_drv.c component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the hyperv.netvscdrv.c component in the Linux operating system is related to errors during resource release. Exploiting this vulnerability can allow an attacker to cause a service failure...