Vulnerability in Linux

CVE-2026-43028

In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: ensure names are nul-terminated Reject names that lack a \0 character before feeding them to functions that expect c-strings. Fixes tag is the most recent commit that needs this change.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.2% 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-2026-43028: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions c38c4597e4bf3e99860eac98211748e1ecb0e139, 4.5, 0
  • Linux Kernel — versions 7.0

References

Frequently asked questions

What is CVE-2026-43028?
CVE-2026-43028 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-01.
How severe is CVE-2026-43028?
High severity. CVSS v3 base score is 7.1 out of 10.