Linux Kernel up to 5.1.7 USB Device sound/usb/line6/driver.c null pointer dereference

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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.1.7 and classified as problematic. This issue affects some unknown processing of the file sound/usb/line6/driver.c of the component USB Device Handler. The manipulation leads to null pointer dereference. The identification of this vulnerability is CVE-2019-15223. It is possible to launch the attack on the physical device. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.1.7 (Operating System) and classified as problematic. This vulnerability affects an unknown part of the file sound/usb/line6/driver.c of the component USB Device Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/driver.c driver.

The weakness was disclosed 08/19/2019 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2019-15223 since 08/19/2019. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 5.1.8 eliminates this vulnerability.

The entries VDB-138837, VDB-138838, VDB-138839 and VDB-138853 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.1.8
Patch: git.kernel.org

Timelineinfo

08/19/2019 🔍
08/19/2019 +0 days 🔍
08/20/2019 +1 days 🔍
11/27/2023 +1560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-4147-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15223 (🔍)
GCVE (CVE): GCVE-0-2019-15223
GCVE (VulDB): GCVE-100-140332
See also: 🔍

Entryinfo

Created: 08/20/2019 07:18 AM
Updated: 11/27/2023 07:17 AM
Changes: 08/20/2019 07:18 AM (59), 07/31/2020 04:59 PM (2), 11/27/2023 07:17 AM (5)
Complete: 🔍
Cache ID: 18:8B9:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!