VDB-146615 · CVE-2019-19523 · DLA 2068-1

Linux Kernel up to 5.3.6 USB Device adutux.c use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.3.6. It has been rated as critical. The impacted element is an unknown function of the file drivers/usb/misc/adutux.c of the component USB Device Handler. The manipulation leads to use after free. This vulnerability is referenced as CVE-2019-19523. It is possible to launch the attack on the physical device. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.3.6 (Operating System) and classified as critical. This issue affects an unknown function of the file drivers/usb/misc/adutux.c of the component USB Device Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel before 5.3.7, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/adutux.c driver, aka CID-44efc269db79.

The weakness was published 12/03/2019 (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2019-19523 since 12/03/2019. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.3.7 eliminates this vulnerability.

Similar entries are available at VDB-146616, VDB-146617, VDB-146618 and VDB-146619. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.3.7
Patch: git.kernel.org

Timelineinfo

12/03/2019 🔍
12/03/2019 +0 days 🔍
12/04/2019 +1 days 🔍
03/05/2024 +1553 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DLA 2068-1
Status: Not defined

CVE: CVE-2019-19523 (🔍)
GCVE (CVE): GCVE-0-2019-19523
GCVE (VulDB): GCVE-100-146615
See also: 🔍

Entryinfo

Created: 12/04/2019 09:48
Updated: 03/05/2024 20:01
Changes: 12/04/2019 09:48 (42), 12/04/2019 09:53 (18), 03/05/2024 20:01 (5)
Complete: 🔍
Cache ID: 216::103