CVE-2026-64295

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

CVE-2026-64295

CVE-2026-64295 affects the Linux kernel mm/page_ext API used during memory hotplug. The vulnerability arises because page_ext_iter_next may advance the iterator beyond the current valid memory region without verifying that the PFN still belongs to a valid section, which can trigger a NULL pointer...