CVE-2026-97945

The Linux kernel contains a vulnerability in x86 memory management where PMD-mapped Huge Transparent Pages (THP) can experience data loss. The root cause is that pmd_modify() incorrectly masks out the hardware dirty bit (_PAGE_DIRTY). This causes the kernel to lose the dirty state of a page when ...

EUVD-2026-86799

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix user-space data loss with MADVFREE and THP Some of users of Polars a data analytics library have lost production data from this bug. They seem to have just the right combination of huge pages, MADVFREE and heavy recla...

CVE-2026-93218

The Linux kernel contains a vulnerability in the mm/huge_memory component related to how it handles device-private Page Middle Directories (PMDs). A race condition occurs when an HMM-based GPU driver interacts with madvise(MADV_FREE). Specifically, migrate_vma_pages() can flip a PMD to a device-p...

CVE-2022-48802

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

CVE-2022-48802 fs/proc: task_mmu.c: don't read mapcount for migration entry

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...