SB2019082034 - NULL pointer dereference in Linux kernel



SB2019082034 - NULL pointer dereference in Linux kernel

Published: August 20, 2019 Updated: September 11, 2019

Security Bulletin ID SB2019082034
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2019-15221)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in sound/usb/line6/pcm.c driver. A local user can perform a denial of service (DoS) attack using a malicious USB device.


Remediation

Install update from vendor's website.