CVE-2026-64254

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the NTB epf module where the module teardown path calls the pci iounmap() function with an offset when BAR PEER SPAD and BAR CONFIG share a single PCI BAR. This unnecessary operation triggers a kernel warning during the execution of the ntb epf pci remove() function, specifically when attempting to vunmap() a nonexistent virtual memory area.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.