CVE-2012-4542
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.35%• Percentile: 29%
Techniques & Countermeasures
- CWE-264•Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected Systems
- debian•linux
all | all | all | all
- ubuntu•linux
all | all | all | all | all
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | all | all | all | all
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.14
all
- ubuntu•linux-aws-6.17
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
all
- ubuntu•linux-aws-7.0
all
- ubuntu•linux-aws-fips
all
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | all | all | all | all
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-6.14
all
- ubuntu•linux-azure-6.17
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
all
- ubuntu•linux-azure-7.0
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all | all | all | all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.14
all
- ubuntu•linux-azure-fde-6.17
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fde-7.0
all
- ubuntu•linux-azure-fips
all
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-azure-nvidia-6.14
all
- ubuntu•linux-bluefield
all | all
- ubuntu•linux-fips
all
- ubuntu•linux-gcp
all | all | all | all | all | all
Showing first 50 affected entries in server-rendered view.
References (17)
- http://rhn.redhat.com/errata/RHSA-2013-0496.html
- http://rhn.redhat.com/errata/RHSA-2013-0882.html
- http://rhn.redhat.com/errata/RHSA-2013-0928.html
- http://marc.info/?l=linux-kernel&m=135903967015813&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=875360
- http://marc.info/?l=linux-kernel&m=135904012416042&w=2
- http://rhn.redhat.com/errata/RHSA-2013-0579.html
- https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=76a274e17114abf1a77de6b651424648ce9e10c8
- https://ubuntu.com/security/CVE-2012-4542
- https://rhn.redhat.com/errata/RHSA-2013-0496.html
- https://lkml.org/lkml/2013/1/24/279
- https://lkml.org/lkml/2013/5/23/292
- https://lkml.org/lkml/2014/8/27/170
- https://lore.kernel.org/all/1360163761-8541-1-git-send-email-pbonzini@redhat.com/
- https://lore.kernel.org/all/53FDAE65.3080208@redhat.com/
- https://www.cve.org/CVERecord?id=CVE-2012-4542
- https://security-tracker.debian.org/tracker/CVE-2012-4542