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...