Vulnerability in Linux

CVE-2026-31418

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty buckets in mtype_del mtype_del() counts empty slots below n->pos in k, but it only drops the bucket when both n->pos and k are zer…

EPSS: 0.000 (3.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions 6.18.22, 6.12.81, 8af1c6fbd9239877998c7f5a591cb2c88d41fb66
  • Linux Linux_kernel — versions 5.6, 7.0

References

Frequently asked questions

What is CVE-2026-31418?
CVE-2026-31418 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-13.
How severe is CVE-2026-31418?
Medium severity. CVSS v3 base score is 5.5 out of 10.