CVE-2024-50166: fsl/fman: Fix refcount handling of fman-related devices
First published: Thu Nov 07 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: fsl/fman: Fix refcount handling of fman-related devices In mac_probe() there are multiple calls to of_find_device_by_node(), fman_bind() and fman_port_bind() which takes references to of_dev->dev. Not all references taken by these calls are released later on error path in mac_probe() and in mac_remove() which lead to reference leaks. Add references release.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.5<6.6.59 | |
| Linux Kernel | >=6.7<6.11.6 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
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.
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.
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- version/linux kernel/4.5
- version/linux kernel/6.7
- version/linux kernel/6.12-rc1
- version/linux kernel/6.12-rc2
- version/linux kernel/6.12-rc3
- version/linux kernel/6.12-rc4