SB2019091149 - NULL pointer dereference in Linux kernel



SB2019091149 - NULL pointer dereference in Linux kernel

Published: September 11, 2019 Updated: September 24, 2019

Security Bulletin ID SB2019091149
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2019-16230)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists because of a NULL pointer dereference error in the "drivers/gpu/drm/radeon/radeon_display.c" file due to the affected software does not check the "alloc_workqueue" return value. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.