CVE-2023-4163: Broadcom Fabric Operating System

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

In Brocade Fabric OS before v9.2.0a, a local authenticated privileged user can trigger a buffer overflow condition, leading to a kernel panic with large input to buffers in the portcfgfportbuffers command.

Affected products

• Broadcom Fabric Operating System: before 9.2.0a (fixed in 9.2.0a)

Published 2023-08-31. Last modified 2026-06-17.