Google Android blk-mq.c Request race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file blk-mq.c. The manipulation as part of a Request leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 04/05/2018. The weakness was disclosed 04/05/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2015-9016 since 03/28/2017. An attack has to be approached locally. The successful exploitation needs a single authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 109517 (Debian DSA-4187-1 : linux - security update (Spectre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176383 (Debian Security Update for Linux (DSA 4187-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109517). The entries VDB-111669, VDB-113848 and VDB-114578 are pretty similar.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109517
Nessus Name: Debian DSA-4187-1 : linux - security update (Spectre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58800
OpenVAS Name: Debian Security Advisory DSA 4187-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

03/28/2017 🔍
04/05/2018 +373 days 🔍
04/05/2018 +0 days 🔍
04/05/2018 +0 days 🔍
04/06/2018 +1 days 🔍
05/01/2018 +25 days 🔍
05/02/2018 +1 days 🔍
02/27/2023 +1762 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: 0048b4837affd153897ed1222283492070027aa9
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-9016 (🔍)
OVAL: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 04/06/2018 09:02 AM
Updated: 02/27/2023 08:10 AM
Changes: 04/06/2018 09:02 AM (76), 01/22/2020 01:38 PM (3), 02/27/2023 08:10 AM (5)
Complete: 🔍
Cache ID: 18:A22:40

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