CVE-2024-50241: NFSD: Initialize struct nfsd4_copy earlier
First published: Sat Nov 09 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: NFSD: Initialize struct nfsd4_copy earlier Ensure the refcount and async_copies fields are initialized early. cleanup_async_copy() will reference these fields if an error occurs in nfsd4_copy(). If they are not correctly initialized, at the very least, a refcount underflow occurs.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=6.10.14<6.11.7 | |
| Linux kernel | =6.12-rc1 | |
| Linux kernel | =6.12-rc2 | |
| Linux kernel | =6.12-rc3 | |
| Linux kernel | =6.12-rc4 | |
| Linux kernel | =6.12-rc5 |
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Reference Links
- https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997
- https://git.kernel.org/stable/c/63fab04cbd0f96191b6e5beedc3b643b01c15889
- https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6
- https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1
- https://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112
- https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b
Frequently Asked Questions
What is the severity of CVE-2024-50241?
CVE-2024-50241 is categorized with a moderate severity level.
How do I fix CVE-2024-50241?
To fix CVE-2024-50241, update your Linux kernel to the latest version that includes the patch.
What versions of Linux kernel are affected by CVE-2024-50241?
CVE-2024-50241 affects Linux kernel versions 6.10.14 to 6.11.7 and several 6.12 release candidates.
What is the nature of CVE-2024-50241?
CVE-2024-50241 involves an initialization issue in the NFSD component of the Linux kernel.
Is there a workaround for CVE-2024-50241?
There is no specific workaround for CVE-2024-50241; updating the kernel is the recommended approach.
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