CVE-2025-40221

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Source
https://cve.org/CVERecord?id=CVE-2025-40221
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40221.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-40221
Downstream
Related
Published
2025-12-04T14:50:45.439Z
Modified
2026-03-12T02:16:36.775927Z
Summary
media: pci: mg4b: fix uninitialized iio scan data
Details

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.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40221.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0ab13674a9bd10514486cf1670d71dbd8afec421
Fixed
b7f82da7f86479cb6479a76ebe213ece7c77398f
Fixed
b792eba44494b4e6ab5006013335f9819f303b8b
Fixed
c0d3f6969bb4d72476cfe7ea9263831f1c283704

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40221.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.54
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.17.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40221.json"