What is CVE-2026-46273?

CVE-2026-46273 is a high-severity vulnerability in Linux. CVSS score: 8.6/10. Published 2026-06-03.

How severe is CVE-2026-46273?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Linux

CVE-2026-46273

In the Linux kernel, the following vulnerability has been resolved: ibmveth: Disable GSO for packets with small MSS Some physical adapters on Power systems do not support segmentation offload when the MSS is less than 224 bytes. Attempti…

EPSS: 0.004 (31.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Linux — versions 4.2, 7.0.7, 5.15.209
Linux Linux_kernel — versions 7.1

References

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

Frequently asked questions

What is CVE-2026-46273?: CVE-2026-46273 is a high-severity vulnerability in Linux. CVSS score: 8.6/10. Published 2026-06-03.
How severe is CVE-2026-46273?: High severity. CVSS v3 base score is 8.6 out of 10.