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ubuntucveUbuntu.comUB:CVE-2012-4542
HistoryFeb 28, 2013 - 12:00 a.m.

CVE-2012-4542

2013-02-2800:00:00
ubuntu.com
ubuntu.com
17

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%

JSON

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.

Bugs

Notes

Author Note
sbeattie never applied upstream (see 27 Aug 2014 email from Paolo)

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4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%

JSON
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