Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current 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.
Source:
MITRE
Description Last Modified:
04/05/2018
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
04/05/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.0 HIGH
Vector:
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.0
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
6.9 MEDIUM
Vector:
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
(V2 legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.4
Access Vector (AV):
Local
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
Complete
Integrity (I):
Complete
Availability (A):
Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
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Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
- Race Conditions (CWE-362)
Change History
2 change records found
- show changes
CVE Modified by MITRE -
5/2/2018 9:29:35 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.debian.org/security/2018/dsa-4187 [No Types Assigned] |
Initial Analysis -
4/17/2018 12:45:42 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:google:android:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:M/Au:N/C:C/I:C/A:C) |
| Added |
CVSS V3 |
|
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-264 |
| Added |
CWE |
|
CWE-362 |
| Changed |
Reference Type |
https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9 No Types Assigned |
https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9 Patch, Vendor Advisory |
| Changed |
Reference Type |
https://source.android.com/security/bulletin/2018-02-01 No Types Assigned |
https://source.android.com/security/bulletin/2018-02-01 Patch, Vendor Advisory |