Vulnerability in Linux

CVE-2024-26621

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/

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.010 (62.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-26621: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

  • Linux — versions 1854bc6e2420472676c5c90d3d6b15f6cd640e40, 5.18, 0
  • Linux Kernel — versions 6.8

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-26621?
CVE-2024-26621 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2024-03-02.
How severe is CVE-2024-26621?
High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2024-26621 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.