Linux Distros Unpatched Vulnerability : CVE-2026-80896

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits...

Linux Distros Unpatched Vulnerability : CVE-2026-80895

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page...

SUSE CVE-2026-80895

In the Linux kernel, the following vulnerability has been resolved: mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page mappings and then publishes the pointer into partition-ptvparray. Sever...

SUSE CVE-2026-80896

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

CVE-2026-80896

CVE-2026-80896 affects the mshv (Microsoft Hyper-V) component of the Linux kernel . The root cause is a race condition in mshv_irqfd_deassign(): it traverses pt_irqfds_list without holding the required pt->pt_irqfds_lock spinlock, racing with the EPOLLHUP path in mshv_irqfd_wakeup(). A second ...

EUVD-2026-71646

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

CVE-2026-80896 mshv: Fix race in mshv_irqfd_deassign

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

CVE-2026-80896

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

EUVD-2026-71645

In the Linux kernel, the following vulnerability has been resolved: mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page mappings and then publishes the pointer into partition-ptvparray. Sever...

CVE-2026-80895

CVE-2026-80895 is a memory-ordering defect in the Linux kernel's mshv (Microsoft Hyper-V) hypervisor driver . The root cause is that mshv_partition_ioctl_create_vp() publishes a virtual-processor (VP) pointer into partition->pt_vp_array without an acquire/release barrier, while mshv_try_assert...

CVE-2026-80895

In the Linux kernel, the following vulnerability has been resolved: mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page mappings and then publishes the pointer into partition-ptvparray. Sever...

CVE-2026-80895 mshv: Order pt_vp_array publish against irqfd assertion path

In the Linux kernel, the following vulnerability has been resolved: mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page mappings and then publishes the pointer into partition-ptvparray. Sever...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshv: Fixed an infinite fault loop that occurred during GPA intercepts when permissions were denied. This issue prevents infinite fault loops when guests access memory regions without proper permissions. Currently,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mshv: Error handling in mshvregionpin has been fixed. The current error handling has two issues: Firstly, the pinuserpagesfast function may return a short pin count less than the requested count but greater than zero when it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshv: Fixed a use-after-free in the mshvmapusermemory error path. In the error path of mshvmapusermemory, calling vfree directly on the region causes the MMU notifier to remain registered. When the user space later unmaps the...

SUSE CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43348

A flaw was found in the Linux kernel's mshvvtl component. When registering VTL0 memory, an issue with memory mapping calculations can cause the system to trigger a warning and return an invalid argument error. This could lead to system instability or a denial of service DoS, preventing legitimate...

EUVD-2026-28632

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43348 mshv_vtl: Fix vmemmap_shift exceeding MAX_FOLIO_ORDER

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...