CVE-2024-50241
HIGH severity · CVSS 7.5 · CWE-908
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/63fab04cbd0f96191b6e5beedc3b643b01c15889 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/63fab04cbd0f96191b6e5beedc3b643b01c15889Patch
- https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1Patch
- https://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112
- https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997
- https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b
- https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6