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CVE-2026-63931

medium

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…

Vendor / product: Linux — linux kernel

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.

CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-19 16:17
Modified: 2026-10-30 14:28
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-30 14:40 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥5.9 <5.10.259, ≥5.11 <5.15.210, ≥5.16 <6.1.176, ≥6.2 <6.6.143, ≥6.7 <6.12.93, ≥6.13 <6.18.35

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://git.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564
Patch / mitigation: https://git.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611
Patch / mitigation: https://git.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5
Patch / mitigation: https://git.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53
Patch / mitigation: https://git.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5
Patch / mitigation: https://git.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90
Patch / mitigation: https://git.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42
Patch / mitigation: https://git.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-30 14:40 UTC · record ↗

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