CVE-2019-15223
kernel: Null pointer dereference in the sound/usb/line6/driver.c
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 2, 2019
Updated · June 28, 2026
Description
A NULL pointer dereference flaw was found in the way the Line 6 POD USB driver in the Linux kernel handled disconnection. This flaw allows an attacker with physical access to the system to crash the system.
Statement
This issue is rated as having Low impact because of the physical access needed to trigger this issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
To mitigate this issue, prevent module snd-usb-line6 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
CVSS / CWE
CVSS 3.0 · 4.6CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer