CVE-2011-3191: Linux Kernel

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory.

Affected products

• Linux Linux Kernel: before 3.0.5 (fixed in 3.0.5)
• Red Hat Enterprise Linux: version 4.0 only

Published 2012-05-24. Last modified 2026-06-16.