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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-50859 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message Commit d5c7076b772a ("smb3: add smb3.1.1 to default dialect list") extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect, then the message length is larger than expected. This maybe leak some info through network because not initialize the message body. After apply this patch, the VALIDATE_NEGOTIATE_INFO message length is reduced from 28 bytes to 26 bytes.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/60480291c1fcafad8425d93f771b5bcc2bd398b4 kernel.org
https://git.kernel.org/stable/c/9312e04b6c6bc46354ecd0cc82052a2b3df0b529 kernel.org
https://git.kernel.org/stable/c/943eb0ede74ecd609fdfd3f0b83e0d237613e526 kernel.org
https://git.kernel.org/stable/c/d0050ec3ebbcb3451df9a65b8460be9b9e02e80c kernel.org
https://git.kernel.org/stable/c/e98ecc6e94f4e6d21c06660b0f336df02836694f kernel.org
https://git.kernel.org/stable/c/fada9b8c95c77bb46b89e18117405bc90fce9f74 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50859
NVD Published Date:
12/30/2025
NVD Last Modified:
04/14/2026
Source:
kernel.org