NULL pointer dereference in Linux kernel - CVE-2019-16230

 

NULL pointer dereference in Linux kernel - CVE-2019-16230

Published: September 24, 2019


Vulnerability identifier: #VU21316
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16230
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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.


How to mitigate CVE-2019-16230

Install update from vendor's website.

Sources