CVE-2026-64254

In the Linux kernel, the following vulnerability has been resolved: NTB: epf: Avoid pciiounmap with offset when PEERSPAD and CONFIG share BAR When BARPEERSPAD and BARCONFIG share one PCI BAR, the module teardown path ends up calling pciiounmap on the same iomem with some offset, which is...

CVE-2026-64254

CVE-2026-64254: In the Linux kernel NTB EPF path, a teardown path could call pci_iounmap() on the same iomem with an offset when BARs for PEER_SPAD and CONFIG are shared. The result was a kernel warning about vunmap() on a nonexistent vm area. A fix exists to unmap only when the two BARs used are...