CVE-2026-74312

A flaw was found in the Linux kernel's vhost/vdpa subsystem. Improper validation of the virtqueue index in the vhostvdpammap and vhostvdpafault functions allows an out-of-range index to be used. This can lead to an out-of-bounds memory access in driver-specific callbacks, potentially causing...

CVE-2026-74312: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...