Bug 2418802 (CVE-2025-40221) - CVE-2025-40221 kernel: media: pci: mg4b: fix uninitialized iio scan data
Summary: CVE-2025-40221 kernel: media: pci: mg4b: fix uninitialized iio scan data
Keywords:
Status: NEW
Alias: CVE-2025-40221
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
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Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-04 15:02 UTC by OSIDB Bzimport
Modified: 2025-12-19 12:31 UTC (History)
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Description OSIDB Bzimport 2025-12-04 15:02:12 UTC 
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.
Comment 1 Alexander B 2025-12-05 17:17:55 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120454-CVE-2025-40221-e3f3@gregkh/T
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