CVE-2026-74672 mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: acquire initmm lock on huge vmap to avoid ptdump UAF Patch series "mm: fix UAF caused by race between ptdump and vmap pgtable freeing", v6. Kernel page table walkers fall into two broad categories - those ranges where...

Linux Distros Unpatched Vulnerability : CVE-2026-74672

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/vmalloc: acquire initmm lock on huge vmap to avoid ptdump UAF Patch series mm: fix UAF caused by race between ptdump and vmap pgtable freeing, v6. Kernel pag...

DEBIAN-CVE-2025-38681

In the Linux kernel, the following vulnerability has been resolved: mm/ptdump: take the memory hotplug lock inside ptdumpwalkpgd Memory hot remove unmaps and tears down various kernel page table regions as required. The ptdump code can race with concurrent modifications of the kernel page tables...

PT-2025-35954

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the mm/ptdump component where the code can race with concurrent modifications of kernel page tables. Specifically, when intermediate levels of kernel...