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CVE-2026-63931

Published Jul 19, 2026 EPSS 0.21% (11th pctl)

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

Ref git.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564 Ref git.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611 Ref git.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5 Ref git.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53 Ref git.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5 Ref git.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90 Ref git.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42 Ref git.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962

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's AI-powered security agents can automatically detect CVE-2026-63931 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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