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VulnerabilityPublished Updated

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

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 3 Nov 2026, 19:13 UTC

Severity
Low

Rated Low by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

AI-suggested

A fix has been applied in the Linux kernel source code that refactors the initialization logic and corrects the sign-extension bug. Users should update their Linux kernel to a version that includes this fix once it is released. Patch status is not explicitly confirmed; check the official Linux kernel advisories or source repositories for the fixed version.

Description

A vulnerability in the Linux kernel's iio chemical scd30 driver involved a sign-extension bug and unclear variable initializations. The issue was addressed by refactoring the code for clarity and fixing the sign-extension error that corrupted the exponent in a float32 value.

References

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