CVE-2024-26621: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: mm: huge_memory: don't force huge page alignment on 32 bit commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries") caused two issues [1] [2] reported on 32 bit system or compat userspace. It doesn't make too much sense to force huge page alignment on 32 bit system due to the constrained virtual address space. [1] https://lore.kernel.org/linux-mm/d0a136a0-4a31-46bc-adf4-2db109a61672@kernel.org/ [2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/

Affected products

• Linux Linux Kernel: from 5.18, before 6.1.81 (fixed in 6.1.81); from 6.2, before 6.6.46 (fixed in 6.6.46); from 6.7, before 6.7.6 (fixed in 6.7.6); version 6.8 only

Published 2024-03-02. Last modified 2026-08-04.