CVE-2015-8962

high

Description

Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3951a3709ff50990bf3e188c27d346792103432

http://www.securityfocus.com/bid/94187

https://github.com/torvalds/linux/commit/f3951a3709ff50990bf3e188c27d346792103432

https://source.android.com/security/bulletin/2016-11-01.html

Details

Source: MITRE

Published: 2016-11-16

Updated: 2017-01-18

Type: CWE-415

Risk Information

CVSS v2

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.3

Severity: HIGH