CVE-2016-7912

high

Description

Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38740a5b87d53ceb89eb2c970150f6e94e00373a

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

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3

http://www.securityfocus.com/bid/94197

https://github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373a

Details

Source: MITRE

Published: 2016-11-16

Updated: 2016-11-28

Type: CWE-416

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: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH