CVE-2024-50166: fsl/fman: Fix refcount handling of fman-related devices

Published Nov 7, 2024
·
Updated

fsl/fman: Fix refcount handling of fman-related devices

Affected Software

9 affected componentsFixes available
Linux Linux kernel>=4.5<6.6.59
Linux Linux kernel>=6.7<6.11.6
Linux Linux kernel=6.12-rc1
Linux Linux kernel=6.12-rc2
Linux Linux kernel=6.12-rc3
Linux Linux kernel=6.12-rc4
debian/linux<=5.10.223-1, <=5.10.234-1, <=6.1.129-1, <=6.1.135-1
6.12.25-1
Microsoft azl3 kernel 6.6.57.1-7<6.6.64.2-1
6.6.64.2-1
Microsoft azl3 kernel 6.6.64.2-1<6.6.64.2-1
6.6.64.2-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.12.25-1
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.64.2-1
  3. Upgrade

    Upgrade Linux kernel (fsl/fman) to a version that resolves this vulnerability.

    Patch Fix refcount handling of fman-related devices
  4. Operational

    Re-test fsl/fman mac_probe() and mac_remove() probe/remove paths after applying the fsl/fman refcount handling fix to ensure the previously leaking of_find_device_by_node() references are correctly released on error paths.

Event History

Nov 7, 2024
CVE Published
via MITRE·09:31 AM
Data Sourced
via MITRE·09:31 AM
Description
Data Sourced
via NVD·10:15 AM
RemedyDescriptionSeverityAffected Software
Jan 29, 2025
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
SeverityAffected Software
Updated
via Microsoft·08:00 AM
DescriptionSeverity
Apr 29, 2025
Data Sourced
via Ubuntu·01:00 AM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-50166?

The severity of CVE-2024-50166 is classified as moderate due to potential impacts on refcount handling in the Linux kernel.

2

How do I fix CVE-2024-50166?

To fix CVE-2024-50166, update your Linux kernel to a version that includes the patch addressing this vulnerability.

3

What versions of the Linux kernel are affected by CVE-2024-50166?

CVE-2024-50166 affects Linux kernel versions from 4.5 to 6.6.59 and from 6.7 to 6.11.6, along with specific release candidates.

4

What are the potential consequences of not addressing CVE-2024-50166?

Not addressing CVE-2024-50166 may lead to stability issues or security risks related to incorrect reference counting in fman-related device handling.

5

Is CVE-2024-50166 a local or remote vulnerability?

CVE-2024-50166 is primarily a local vulnerability that could be exploited by an attacker with local access to the affected system.

Contact

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