VULNERABILITY INTELLIGENCE
CVE-2011-4127
CVSS score4.6 MEDIUM
EPSS probability0.57%
CISA KEVNot currently listed
Published2012-07-03
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:P/I:P/A:P
Description
The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.