Vulnerability in Linux

CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nr_pages calculation overflow in filemap_map_pages() When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange cr…

EPSS: 0.000 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions fe601b70eac6cd266e8d7d55030e90a73ed0e339, 743a2753a02e805347969f6f89f38b736850d808, 7.0

References

Frequently asked questions

What is CVE-2026-31648?
CVE-2026-31648 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.
How severe is CVE-2026-31648?
High severity. CVSS v3 base score is 7.8 out of 10.