What is CVE-2026-43174?

CVE-2026-43174 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.

How severe is CVE-2026-43174?

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

Vulnerability in Linux

CVE-2026-43174

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix post open error handling Closing a queue doesn't guarantee that all associated page pools are terminated right away, let the refcounting do the work i…

EPSS: 0.000 (3.0th 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 e0793de24a9f610bd8ce106f7033b3966e7fca0e, 6.15, 0
Linux Linux_kernel

References

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

Frequently asked questions

What is CVE-2026-43174?: CVE-2026-43174 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-06.
How severe is CVE-2026-43174?: Medium severity. CVSS v3 base score is 5.5 out of 10.