CVE-2023-54066
kernel: Linux kernel: Denial of Service in dvb-usb-v2 gl861 due to null-pointer dereference
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's dvb-usb-v2 gl861 module. A local user could exploit this null-pointer dereference vulnerability by providing specially crafted input to the gl861_i2c_master_xfer function. This could lead to a system crash, resulting in a Denial of Service (DoS).
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