CVE-2020-8648: Broadcom Brocade Fabric Operating System Firmware

High severity, CVSS 7.1. EPSS: 0.7% chance of exploitation in the next 30 days.

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.

Affected products

• Broadcom Brocade Fabric Operating System Firmware: affected versions not specified
• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only
• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: up to and including 5.5.2
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Cloud Backup: affected versions not specified
• Netapp Hci Baseboard Management Controller: version h410c only
• Netapp Solidfire Baseboard Management Controller: affected versions not specified
• Opensuse Leap: version 15.1 only

Published 2020-02-06. Last modified 2026-06-17.