What is CVE-2026-46027?

CVE-2026-46027 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-05-27.

How severe is CVE-2026-46027?

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

Vulnerability in Linux

CVE-2026-46027

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid early lgr access in smc_clc_wait_msg A CLC decline can be received while the handshake is still in an early stage, before the connection has been associat…

EPSS: 0.001 (21.1th 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 0cfdd8f92cac01afbb12e4500514036a2b78756b, 6.18.27, 5.15.209

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-2026-46027?: CVE-2026-46027 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-46027?: High severity. CVSS v3 base score is 7.5 out of 10.