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    CVE-2012-4542

    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.

    Published:Jan 24, 2013
    Last Modified:Apr 11, 2025
    EPS:Feb 28, 2013
    EPSS Score:0.00051
    CVSS Score:4.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://marc.info/?l=linux-kernel&m=135903967015813&w=2
    http://marc.info/?l=linux-kernel&m=135904012416042&w=2
    http://rhn.redhat.com/errata/RHSA-2013-0496.html
    http://rhn.redhat.com/errata/RHSA-2013-0579.html
    http://rhn.redhat.com/errata/RHSA-2013-0882.html
    http://rhn.redhat.com/errata/RHSA-2013-0928.html
    https://bugzilla.redhat.com/show_bug.cgi?id=875360
    https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=76a274e17114abf1a77de6b651424648ce9e10c8
    http://marc.info/?l=linux-kernel&m=135903967015813&w=2
    http://marc.info/?l=linux-kernel&m=135904012416042&w=2
    http://rhn.redhat.com/errata/RHSA-2013-0496.html
    http://rhn.redhat.com/errata/RHSA-2013-0579.html
    http://rhn.redhat.com/errata/RHSA-2013-0882.html
    http://rhn.redhat.com/errata/RHSA-2013-0928.html
    https://bugzilla.redhat.com/show_bug.cgi?id=875360
    https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=76a274e17114abf1a77de6b651424648ce9e10c8

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High