CVE-2026-64497: Linux kernel · iio: chemical: scd30: Cleanup initializations and fix sign-extension bug
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 3 Nov 2026, 19:13 UTC
Rated Low by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 25 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- git.kernel.org/stable/c/0ccff849bde90973e6c13a666f6ceab5c55b30d4 (opens in a new tab)
- git.kernel.org/stable/c/1821bcacd8ac5b214c53be16cbb8172bf193f0b6 (opens in a new tab)
- git.kernel.org/stable/c/40bb0fdb37f441c9c9f52bf58bbd8a0ca3cc9598 (opens in a new tab)
- git.kernel.org/stable/c/b131f0011dfef72350f4e3f11df94dc3e6b46065 (opens in a new tab)
- git.kernel.org/stable/c/8d4a46e971cf846bda98b20d4cabfa21c1276e5f (opens in a new tab)
- git.kernel.org/stable/c/82accdd57404399eddf3d56fd9beda7c61307388 (opens in a new tab)
- git.kernel.org/stable/c/d49ff54b2784aa56a7c97982de713604de89d23a (opens in a new tab)
- git.kernel.org/stable/c/60d877910a43c305b5165131b258a17b1d772d57 (opens in a new tab)