CVE-2022-50859 - CVE House
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Status published Unknown CVE-2022-50859

cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
d5c7076b772ad7dcdb92303397b36aee8fa0d25d, 5.0, 0, 5.4.220, 5.10.150, 5.15.75, 5.19.17, 6.0.3, 6.1

Timeline

Official Publish: December 30th, 2025
Last Modified: May 11th, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.