CVE-2020-0404
kernel: avoid cyclic entity chains due to malformed USB descriptors
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 16, 2021
Updated · June 28, 2026
Description
A flaw linked list corruption in the Linux kernel for USB Video Class driver functionality was found in the way user connects web camera to the USB port. A local user 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, prevent the module uvcvideo from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-284 · Improper Access Control