CVE-2026-98678
kernel: iio: adc: ad4030: fix invalid oversampling_ratio validation
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 22, 2026
Description
A flaw was found in the Linux kernel's Analog Devices AD4030 Analog-to-Digital Converter (ADC) driver. The driver calculates a mathematical logarithm on an averaging parameter prior to validating whether the input is positive. A local user with access to configure the device could provide a non-positive value, triggering undefined behavior that may lead to 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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-1284 · Improper Validation of Specified Quantity in Input