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Bug 1500366 - (CVE-2017-14991) CVE-2017-14991 kernel: Information leak in the scsi driver
CVE-2017-14991 kernel: Information leak in the scsi driver
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170915,repor...
: Security
Depends On: 1505914
Blocks: 1500367
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Reported: 2017-10-10 09:02 EDT by Andrej Nemec
Modified: 2018-02-12 03:49 EST (History)
48 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
The sg_ioctl() function in 'drivers/scsi/sg.c' in the Linux kernel, from version 4.12-rc1 to 4.14-rc2, allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for '/dev/sg0'.
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Clone Of:
Environment:
Last Closed: 2017-10-24 11:08:30 EDT
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CRM:
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RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2017-10-10 09:02:06 EDT 
The sg_ioctl() function in 'drivers/scsi/sg.c' in the Linux kernel from v4.12-rc1 to v4.14-rc2 allows local users to obtain sensitive information from an uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for '/dev/sg0'.

Upstream patch:

https://github.com/torvalds/linux/commit/3e0097499839e0fe3af380410eababe5a47c4cf9

References:

http://seclists.org/oss-sec/2017/q4/43
Comment 1 Vladis Dronov 2017-10-24 10:38:11 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1505914]
Comment 4 Vladis Dronov 2017-10-24 11:08:30 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as a code with the flaw is not present in the products listed.
Comment 5 Justin M. Forbes 2017-10-24 13:11:42 EDT 
This was fixed with the 4.13.4 stable kernel for Fedora.
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