Bug 1500366 (CVE-2017-14991) - CVE-2017-14991 kernel: Information leak in the scsi driver
Summary: CVE-2017-14991 kernel: Information leak in the scsi driver
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-14991
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1505914
Blocks: 1500367
TreeView+ depends on / blocked
 
Reported: 2017-10-10 13:02 UTC by Andrej Nemec
Modified: 2021-02-17 01:24 UTC (History)
48 users (show)

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'.
Clone Of:
Environment:
Last Closed: 2017-10-24 15:08:30 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2017-10-10 13:02:06 UTC 
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 14:38:11 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1505914]
Comment 4 Vladis Dronov 2017-10-24 15:08:30 UTC 
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 17:11:42 UTC 
This was fixed with the 4.13.4 stable kernel for Fedora.
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