Linux Distros Unpatched Vulnerability : CVE-2026-64527

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without...

CVE-2026-64527

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without knowing how many bytes the host wrote into hv-recvbuf. The completion...

UBUNTU-CVE-2026-64527

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without knowing how many bytes the host wrote into hv-recvbuf. The completion...

SUSE CVE-2026-64527

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without knowing how many bytes the host wrote into hv-recvbuf. The completion...

CVE-2026-64527

The CVE-2026-64527 entry describes a Linux kernel issue in drm/hyperv where VMBus packet size is not validated in the receive callback. hyperv_receive_sub() dispatches on msg->vid_hdr.type without knowing the host-written length, leading to a potential read of stale data when copying from hv-&...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel assumes that the vmbus channel array is allocated when it is called. However, in situations like kdump/kexec, not all relids will be reset by...

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...

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, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: hv: vmbus – Fixed a memory leak in vmbusaddchannelkobj. kobjectinitandadd takes a reference even when it fails. According to the documentation for kobjectinitandadd: If this function returns an error, kobjectput must ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fixed potential crashes during module unloading. The vmbus driver relies on the panic notifier infrastructure to perform certain operations when a panic event is detected. Since vmbus can be built as a module,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Do not dereference the ACPI root object handle Since the commit referenced in the Fixes section below the VMBus client driver attempts to traverse the ACPI namespace from the VMBus ACPI device to the ACPI...

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...

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...

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...