CVE-2012-4542

MEDIUM · CVSS 4.6 EPSS 0.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-02-28 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE

CVE-2012-4542

Severity

MEDIUM

CVSS

4.6

EPSS

0.35%

Linux

Original Filing — NVD 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.