What is CVE-2026-43234?

CVE-2026-43234 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.

How severe is CVE-2026-43234?

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

Vulnerability in Linux

CVE-2026-43234

In the Linux kernel, the following vulnerability has been resolved: team: avoid NETDEV_CHANGEMTU event when unregistering slave syzbot is reporting unregister_netdevice: waiting for netdevsim0 to become free. Usage count = 3 ref_tra…

EPSS: 0.000 (2.2th 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 3d249d4ca7d0ed6629a135ea1ea21c72286c0d80, 3.3, 0
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)

Frequently asked questions

What is CVE-2026-43234?: CVE-2026-43234 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.
How severe is CVE-2026-43234?: Medium severity. CVSS v3 base score is 5.5 out of 10.