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416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-26621

HistoryMar 02, 2024 - 10:15 p.m.

CVE-2024-26621

2024-03-0222:15:50

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

vulnerability

32-bit

system

huge pages

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

JSON

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/[email protected]/
[2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/

References

git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d

git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47

git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe