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Advisory details: ubuntu_osv / UBUNTU-CVE-2012-4542
Advisory ID ubuntu_osv/UBUNTU-CVE-2012-4542
Aliases CVE-2012-4542
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 2.7
Risk 1.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
ubuntu-priority low https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-4542.json
Reference id Reference type URL
http://marc.info/?l=linux-kernel&m=135903967015813&w=2
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://rhn.redhat.com/errata/RHSA-2013-0496.html
https://ubuntu.com/security/CVE-2012-4542
https://www.cve.org/CVERecord?id=CVE-2012-4542

No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.

There are no known vectors.

There are no SSVC decisions available.