What is CVE-2026-43442?

CVE-2026-43442 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-08.

How severe is CVE-2026-43442?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Linux

CVE-2026-43442

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix physical SQE bounds check for SQE_MIXED 128-byte ops When IORING_SETUP_SQE_MIXED is used without IORING_SETUP_NO_SQARRAY, the boundary check for 128-byte S…

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 1cba30bf9fdd6c982708f3587f609a30c370d889, 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-2026-43442?: CVE-2026-43442 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-08.
How severe is CVE-2026-43442?: High severity. CVSS v3 base score is 7.1 out of 10.