What is CVE-2026-43385?

CVE-2026-43385 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-05-08.

How severe is CVE-2026-43385?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux

CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcu_tasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg sh…

EPSS: 0.001 (16.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions c18d4b190a46651726c9a952667c74d2deb33c28, 6.19, 0
Linux Linux_kernel — versions 7.0

References

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

Frequently asked questions

What is CVE-2026-43385?: CVE-2026-43385 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-05-08.
How severe is CVE-2026-43385?: High severity. CVSS v3 base score is 7.5 out of 10.