CVE-2022-50859
Linux Kernel 5.0.0-6.0.3 Information Disclosure via VALIDATE_NEGOTIATE_INFO
Title source: llmDescription
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.
References (6)
Core 6
Core References
Scores
EPSS
0.0021
EPSS Percentile
11.8%
Details
Status
published
Products (19)
linux/Kernel
5.0.0 - 5.4.220linux
linux/Kernel
5.11.0 - 5.15.75linux
linux/Kernel
5.16.0 - 5.19.17linux
linux/Kernel
5.20.0 - 6.0.3linux
linux/Kernel
5.5.0 - 5.10.150linux
Linux/Linux
< 5.0
Linux/Linux
5.0
Linux/Linux
5.10.150 - 5.10.*
Linux/Linux
5.15.75 - 5.15.*
Linux/Linux
5.19.17 - 5.19.*
... and 9 more
Published
Dec 30, 2025
Tracked Since
Feb 18, 2026