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CVE-2024-39465: media: mgb4: Fix double debugfs remove

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2024-06-25 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: media: mgb4: Fix double debugfs remove Fixes an error where debugfs_remove_recursive() is called first on a parent directory and then again on a child which causes a kernel panic. [hverkuil: added Fixes/Cc tags]

Affected products

• Linux kernel: from 6.7 before 6.9.5; 6.10-rc1, 6.10-rc2 — fixed in 6.9.5

How to fix

Upgrade to a fixed version: Linux kernel 6.9.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/252204b634efffd8b167d77413c93d0192aaf5f6
• https://git.kernel.org/stable/c/825fc49497957310e421454fe3fb8b8d8d8e2dd2
• https://git.kernel.org/stable/c/252204b634efffd8b167d77413c93d0192aaf5f6
• https://git.kernel.org/stable/c/825fc49497957310e421454fe3fb8b8d8d8e2dd2

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