CVE-2015-9016

high

Description

In blk_mq_tag_to_rq in blk-mq.c in the upstream kernel, there is a possible use after free due to a race condition when a request has been previously freed by blk_mq_complete_request. This could lead to local escalation of privilege. Product: Android. Versions: Android kernel. Android ID: A-63083046.

References

https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9

https://source.android.com/security/bulletin/2018-02-01

https://www.debian.org/security/2018/dsa-4187

Details

Source: MITRE

Published: 2018-04-05

Updated: 2018-05-03

Type: CWE-264

Risk Information

CVSS v2

Base Score: 6.9

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

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7

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

Impact Score: 5.9

Exploitability Score: 1

Severity: HIGH