CVE-2006-7203: Linux Kernel

Medium severity, CVSS 4.0. EPSS: 0.5% chance of exploitation in the next 30 days.

The compat_sys_mount function in fs/compat.c in Linux kernel 2.6.20 and earlier allows local users to cause a denial of service (NULL pointer dereference and oops) by mounting a smbfs file system in compatibility mode ("mount -t smbfs").

Affected products

• Linux Linux Kernel: up to and including 2.6.20

Published 2007-05-14. Last modified 2026-06-16.