UBUNTU-CVE-2026-31397

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...

PT-2025-40133

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s mm/uffd module. Specifically, a warning can occur when PTE MARKER UFFD WP is not compiled in, potentially leading to unexpected behavior. The issue...

mm: clear uffd-wp PTE/PMD state on mremap()

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