Not yet scoredPublished Dec 4, 2025

CVE-2025-40221media: pci: mg4b: fix uninitialized iio scan data

Updated under an hour ago (Oct 26, 2026, 2:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: media: pci: mg4b: fix uninitialized iio scan data Fix potential leak of uninitialized stack data to userspace by ensuring that the `scan` structure is zeroed before use.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 0ab13674a9bd10514486cf1670d71dbd8afec421 before b7f82da7f86479cb6479a76ebe213ece7c77398f; from 0ab13674a9bd10514486cf1670d71dbd8afec421 before b792eba44494b4e6ab5006013335f9819f303b8b; from 0ab13674a9bd10514486cf1670d71dbd8afec421 before c0d3f6969bb4d72476cfe7ea9263831f1c283704	CNA record

References

References

https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f
https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b
https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.