CVE-2009-4410: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The fuse_ioctl_copy_user function in the ioctl handler in fs/fuse/file.c in the Linux kernel 2.6.29-rc1 through 2.6.30.y uses the wrong variable in an argument to the kunmap function, which allows local users to cause a denial of service (panic) via unknown vectors.

Affected products

• Linux Linux Kernel: version 2.6.29 only; version 2.6.29.1 only; version 2.6.29.2 only; version 2.6.29.3 only; version 2.6.29.4 only; version 2.6.29.5 only; …

Published 2009-12-24. Last modified 2026-06-16.