CVE-2020-11609
kernel: NULL pointer dereference due to incorrect handling of invalid descriptors in stv06xx subsystem
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 3, 2020
Updated · October 9, 2026
Description
A flaw was found in the way the stv06xx driver in the Linux kernel handled certain types of USB descriptors. This flaw allows an attacker with the ability to induce the error conditions to crash the system.
Statement
This issue is rated as having Low impact because of the preconditions needed to trigger the issue (physical access).
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
In order to mitigate this issue it is possible to prevent the affected code from being loaded by blacklisting the kernel module gspca_stv06xx. For instructions relating to how to blacklist a kernel module refer to: https://access.redhat.com/solutions/41278 .
CVSS / CWE
CVSS 3.1 · 4.3CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference