CVE-2026-46280 lib: test_hmm: evict device pages on file close to avoid use-after-free

In the Linux kernel, the following vulnerability has been resolved: lib: testhmm: evict device pages on file close to avoid use-after-free Patch series "Minor hmmtest fixes and cleanups". Two bugfixes a cleanup for the HMM kernel selftests. These were mostly reported by Zenghui Yu with special...

PT-2026-47352

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the HMM kernel selftests. When the dmirror fops release function is called, it frees the dmirror structure without first migrating device private pages...

CVE-2025-21861: Use After Free

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: don't add folio to be freed to LRU in migratedevicefinalize If migration succeeded, we called foliomigrateflags-memcgroupmigrate to migrate the memcg from the old to the new folio. This will set memcgdata of the...

CVE-2024-56673 riscv: mm: Do not call pmd dtor on vmemmap page table teardown

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Do not call pmd dtor on vmemmap page table teardown The vmemmap's, which is used for RV64 with SPARSEMEMVMEMMAP, page tables are populated using pmd page middle directory hugetables. However, the pmd allocation is not...