Vulnerability in Linux

CVE-2026-43026

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent ctnetlink_alloc_expect() allocates expectations from a non-zeroing slab cache via nf_ct_expect_al…

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

References

Frequently asked questions

What is CVE-2026-43026?
CVE-2026-43026 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-01.
How severe is CVE-2026-43026?
Medium severity. CVSS v3 base score is 5.5 out of 10.