CVE-2026-63931 Details
Description
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.
A division by zero vulnerability has been identified in the Linux kernel's SCD30 chemical sensor driver, specifically in the 'write_raw' function. This issue arises when a user writes a zero fractional part to the 'sampling_frequency' sysfs attribute, leading to a kernel crash. The vulnerability affects several versions of the Linux kernel.
Users can update to the latest version of the Linux kernel, where this vulnerability has been fixed, to address this issue.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
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Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
No affected product data is available for this CVE.
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 19, 2026 | New CVE Received | kernel.org |