What is the severity of CVE-2024-50204?

The severity of CVE-2024-50204 has not been specifically ranked but it affects the Linux kernel's ability to handle namespace copying.

How do I fix CVE-2024-50204?

To fix CVE-2024-50204, update your Linux kernel to version 6.11.6 or later.

Which versions of the Linux kernel are affected by CVE-2024-50204?

CVE-2024-50204 affects Linux kernel versions from 6.11 up to 6.11.6 and 6.12-rc1 through 6.12-rc4.

What could happen if I do not patch CVE-2024-50204?

If not patched, CVE-2024-50204 may lead to instability in namespace management within the Linux kernel.

Is there a workaround for CVE-2024-50204?

Currently, there are no known workarounds for CVE-2024-50204, making patching the only solution.

Vulnerability/
CVE-2024-50204

medium

5.5

8/11/2024

19/12/2024

CVE-2024-50204: fs: don't try and remove empty rbtree node

First published: Fri Nov 08 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: fs: don't try and remove empty rbtree node When copying a namespace we won't have added the new copy into the namespace rbtree until after the copy succeeded. Calling free_mnt_ns() will try to remove the copy from the rbtree which is invalid. Simply free the namespace skeleton directly.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected Software	Affected Version	How to fix
Linux Kernel	>=6.11<6.11.6
Linux Kernel	=6.12-rc1
Linux Kernel	=6.12-rc2
Linux Kernel	=6.12-rc3
Linux Kernel	=6.12-rc4

Remedy

https://git.kernel.org/stable/c/229fd15908fe1f99b1de4cde3326e62d1e892611

Remedy

https://git.kernel.org/stable/c/a8b155a2c30dc9a5ba837aa5fcba9a47cc031a9b

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2024-50204?
The severity of CVE-2024-50204 has not been specifically ranked but it affects the Linux kernel's ability to handle namespace copying.
How do I fix CVE-2024-50204?
To fix CVE-2024-50204, update your Linux kernel to version 6.11.6 or later.
Which versions of the Linux kernel are affected by CVE-2024-50204?
CVE-2024-50204 affects Linux kernel versions from 6.11 up to 6.11.6 and 6.12-rc1 through 6.12-rc4.
What could happen if I do not patch CVE-2024-50204?
If not patched, CVE-2024-50204 may lead to instability in namespace management within the Linux kernel.
Is there a workaround for CVE-2024-50204?
Currently, there are no known workarounds for CVE-2024-50204, making patching the only solution.

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version/linux kernel/6.11
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version/linux kernel/6.12-rc3
version/linux kernel/6.12-rc4

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Frequently Asked Questions

What is the severity of CVE-2024-50204?
The severity of CVE-2024-50204 has not been specifically ranked but it affects the Linux kernel's ability to handle namespace copying.
How do I fix CVE-2024-50204?
To fix CVE-2024-50204, update your Linux kernel to version 6.11.6 or later.
Which versions of the Linux kernel are affected by CVE-2024-50204?
CVE-2024-50204 affects Linux kernel versions from 6.11 up to 6.11.6 and 6.12-rc1 through 6.12-rc4.
What could happen if I do not patch CVE-2024-50204?
If not patched, CVE-2024-50204 may lead to instability in namespace management within the Linux kernel.
Is there a workaround for CVE-2024-50204?
Currently, there are no known workarounds for CVE-2024-50204, making patching the only solution.