CVE-2026-64497: iio: chemical: scd30: Cleanup initializations and fix sign-extension bug

highCVSS 7.1CVE-2026-64497

CSIRTS triage

Other

What: This vulnerability involves cleanup initializations and a sign-extension bug in the scd30 driver.
Who is affected: Deployments using the iio chemical subsystem.
Urgency: Remediation is necessary to ensure correct functionality, with no current exploitation reported.
Action: Apply the cleanup and fix for the sign-extension bug in the scd30 driver.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64497

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-644970.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64497	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownCVE-2026-64497: In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: Clea…nvd

Recent advisories for iio

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-64602: In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initializ…nvd · 2026-08-06
unknownCVE-2026-64504: In the Linux kernel, the following vulnerability has been resolved: iio: accel: bmc150: clamp …nvd · 2026-07-25
unknownCVE-2026-64503: In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxsd9: fix run…nvd · 2026-07-25
highCVE-2026-64502: In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad_sigma_delta: …nvd · 2026-07-25
highCVE-2026-64501: In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad_sigma_delta: …nvd · 2026-07-25
unknownCVE-2026-64500: In the Linux kernel, the following vulnerability has been resolved: iio: adc: lpc32xx: Initial…nvd · 2026-07-25