CVE-2025-40221

linux: In the Linux kernel, the following vulnerability has been resolved: media: pci: mg4b: fix uninitialized iio scan dat...

CVE-2025-40221 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2025-40221, released December 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0020
9th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-azure · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.9.1.160000.2.6 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default-base · sles 16.0 6.12.0-160000.9.1.160000.2.6 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-docs · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-syms · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
linux · Debian 13.5 (trixie) 6.12.57-1 DEBIAN-CVE-2025-40221 Dec 4, 2025
linux · Debian 14 6.17.6-1 DEBIAN-CVE-2025-40221 Dec 4, 2025

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.