Vulnerability CVE-2017-7187


Published: 2017-03-20   Modified: 2017-10-03

Description:
The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function.

Vendor: Linux
Product: Linux kernel 
Version: 4.10.4;

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
http://www.securityfocus.com/bid/96989
http://www.securitytracker.com/id/1038086
https://gist.github.com/dvyukov/48ad14e84de45b0be92b7f0eda20ff1b
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=4.11/scsi-fixes&id=bf33f87dd04c371ea33feb821b60d63d754e3124
https://source.android.com/security/bulletin/pixel/2017-10-01

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