VULNERABILITY INTELLIGENCE
CVE-2012-4542
CVSS score4.6 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2013-02-28
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:P/I:P/A:P
Description
block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.