CVE-2021-46967

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vmflags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but we don't provide the necessary vma-flags like VMPFNMAP. This may cause several issues e.g when userspace trie...

CVE-2021-46967 vhost-vdpa: fix vm_flags for virtqueue doorbell mapping

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vmflags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but we don't provide the necessary vma-flags like VMPFNMAP. This may cause several issues e.g when userspace trie...

CVE-2021-46967 vhost-vdpa: fix vm_flags for virtqueue doorbell mapping

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vmflags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but we don't provide the necessary vma-flags like VMPFNMAP. This may cause several issues e.g when userspace trie...

CVE-2021-46967

CVE-2021-46967 affects the Linux kernel vhost-vdpa virtqueue doorbell mapping. The issue stems from not setting necessary vm_flags (e.g., VM_PFNMAP) when mapping the doorbell, which could cause a kernel panic if userspace maps the doorbell via IOTLB. The connected Nessus/NASL entry confirms a pat...