CVE-2025-40221

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.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

Published

2025-12-04

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

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

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