CVE-2025-39937
kernel: Linux kernel (rfkill-gpio): Denial of Service via uninitialized pointer dereference
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 4, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's rfkill-gpio component. On x86 systems with certain ACPI devices, a local user could trigger a null pointer dereference by binding to these devices without a 'type' property. 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-824 · Access of Uninitialized Pointer