CVE-2023-6039: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

Affected products

• Linux Linux Kernel: before 6.5 (fixed in 6.5); version 6.5 only

Published 2023-11-09. Last modified 2026-06-17.