CVE-2026-45880

A flaw was found in the Linux kernel's PCI/P2PDMA subsystem. When the vminsertpage function fails during memory allocation, the system does not properly release a per-CPU reference for the page map. This oversight can lead to a resource leak, causing the memunmappages function to hang indefinitel...

CVE-2026-45880: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vminsertpage fails When vminsertpage fails in p2pmemallocmmap, p2pmemallocmmap doesn't invoke percpurefput to free the per-CPU ref of pgmap acquired after genpoolallocowner, and...