CVE-2023-54314
kernel: media: af9005: Fix null-ptr-deref in af9005_i2c_xfer
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 30, 2025
Updated · June 30, 2026
Description
A NULL pointer dereference was found in the AF9005 DVB-USB driver. User-controlled I2C messages with NULL buffer and zero length bypass validation checks, causing a crash when the buffer is dereferenced.
Statement
Triggering this requires access to a DVB-USB device with AF9005 chipset and the ability to send crafted I2C messages. Physical access to the USB device is typically required.
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
No mitigation is specified in collected source.
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-476 · NULL Pointer Dereference