What is CVE-2026-46043?

CVE-2026-46043 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-05-27.

How severe is CVE-2026-46043?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Linux

CVE-2026-46043

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least header_size(pkt) bytes long before…

EPSS: 0.001 (21.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 6.18.27, 5.15.209, 7.1-rc1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-46043?: CVE-2026-46043 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-05-27.
How severe is CVE-2026-46043?: Critical severity. CVSS v3 base score is 9.1 out of 10.