What is CVE-2026-43012?

CVE-2026-43012 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-01.

How severe is CVE-2026-43012?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-43012

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix switchdev mode rollback in case of failure If for some internal reason switchdev mode fails, we rollback to legacy mode, before this patch, rollback will u…

EPSS: 0.000 (3.2th 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 7.0, 6.13, 6.12.9
Linux Linux_kernel — versions 6.13, 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-2026-43012?: CVE-2026-43012 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-01.
How severe is CVE-2026-43012?: Medium severity. CVSS v3 base score is 5.5 out of 10.