SUSE CVE-2026-80817

In the Linux kernel, the following vulnerability has been resolved: iommu/iommufd: Fix NULL pointer deref in iommufdioaschangeprocess when racing with ioptmapfilepages iommufdioaschangeprocess iterates every IOAS area while only holding every IOAS iovarwsem, so it assumes every area has a non-NUL...

CVE-2026-80817

A NULL pointer dereference in the Linux kernel's iommu/iommufd subsystem (drivers/iommufd/ioas.c) can cause a kernel crash. The root cause is a race condition : iopt_map_pages() inserts an IOAS area into the interval tree with area->pages still NULL, then later fills it under a different lock....