CVE-2025-38554

CVE-2025-38554 in the Linux kernel describes a use-after-free (UAF) involving VMAs: if vma->mm is freed after vma->vm_refcnt has dropped, a recycled VMA could be mishandled, leading to UAF. The race can occur when VMAs are recycled under RCU (with SLAB_TYPESAFE_BY_RCU) and lock_vma_under_rc...

Reliability improvements for VMs that are running on a Windows Server 2012 R2 or Windows Server 2012 host

Reliability improvements for VMs that are running on a Windows Server 2012 R2 or Windows Server 2012 host This article describes an update that improves the reliability for virtual machines VMs in Windows Server 2012 R2 or Windows Server 2012 host. The update fixes the following issues. Before yo...