What is CVE-2026-23278?

CVE-2026-23278 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-20.

How severe is CVE-2026-23278?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-23278

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1…

EPSS: 0.000 (4.7th 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 6.3.10, 6.1.36, 628bd3e49cba1c066228e23d71a852c23e26da73
Linux Linux_kernel — versions 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23278?: CVE-2026-23278 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-20.
How severe is CVE-2026-23278?: High severity. CVSS v3 base score is 7.8 out of 10.