CVE-2019-19524
kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 15, 2019
Updated · June 28, 2026
Description
A use-after-free flaw was found in the Linux kernel’s input device driver functionality when unplugging a device. A user with physical access could use this flaw to crash the system.
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 for the Red Hat Enterprise Linux 7 or higher version, prevent module ff-memless 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-416 · Use After Free