CVE-2025-40221
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 4, 2025
First seenDec 4, 2025
How to fix
Update
- Linux Linuxb7f82da7f86479cb6479a76ebe213ece7c77398f, b792eba44494b4e6ab5006013335f9819f303b8b, c0d3f6969bb4d72476cfe7ea9263831f1c283704 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 0ab13674a9bd10514486cf1670d71dbd8afec421 ≤ v < b7f82da7f86479cb6479a76ebe213ece7c77398f, 0ab13674a9bd10514486cf1670d71dbd8afec421 ≤ v < b792eba44494b4e6ab5006013335f9819f303b8b, 0ab13674a9bd10514486cf1670d71dbd8afec421 ≤ v < c0d3f6969bb4d72476cfe7ea9263831f1c283704, 6.7 | b7f82da7f86479cb6479a76ebe213ece7c77398f, b792eba44494b4e6ab5006013335f9819f303b8b, c0d3f6969bb4d72476cfe7ea9263831f1c283704 |
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