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CVE-2026-63931

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…

Published Jul 19, 2026EPSS 0.21%

Overview

CVE-2026-63931 is a known-severity vulnerability. It was published on July 19, 2026.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564Refgit.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611Refgit.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5Refgit.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53Refgit.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5Refgit.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90Refgit.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42Refgit.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962

How CyberStrike helps

Frequently asked questions

What is CVE-2026-63931?

CVE-2026-63931 is a known-severity vulnerability. It was published on July 19, 2026.

How severe is CVE-2026-63931?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-63931?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63931?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-63931 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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