What’s Vulnerable › Vulnerabilities

CVE-2025-40197: media: mc: Clear minor number before put device

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-12 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: media: mc: Clear minor number before put device The device minor should not be cleared after the device is released.

Affected products

• Linux kernel: before 5.4.301; before 5.10.246; before 5.15.195; before 6.1.157; before 6.6.113; before 6.12.54 — fixed in 5.10.246, 5.15.195, 5.4.301, 6.1.157, 6.12.54, 6.17.4

How to fix

Upgrade to a fixed version: Linux kernel 5.10.246, 5.15.195, 5.4.301, 6.1.157. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5d327391f9fafeb0938be4fc538dd0bd54a0b2ef
• https://git.kernel.org/stable/c/64dbc6f50ce92b7da203b1bcdd96a370bbc9b74d
• https://git.kernel.org/stable/c/7bd4e5367d0940ccec4d7546bb6bd019ab2c71aa
• https://git.kernel.org/stable/c/7db47e737128b3585ae679b709b85f3f44cd8750
• https://git.kernel.org/stable/c/8cfc8cec1b4da88a47c243a11f384baefd092a50
• https://git.kernel.org/stable/c/8f52c7f38f0f2ee2afc331e6b873acba5e9490a8
• https://git.kernel.org/stable/c/ac01416d477c2dc6016782635ae022f8cc634a29
• https://git.kernel.org/stable/c/dd156f44ea82cc249f46c519eed3b2f8983c8002

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