CVE-2022-50859 | BDVDB-2026-308308 Detail
LinuxLinux
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#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/stable/c/d0050ec3ebbcb3451df9a65b8460be9b9e02e80c
- https://git.kernel.org/stable/c/9312e04b6c6bc46354ecd0cc82052a2b3df0b529
- https://git.kernel.org/stable/c/60480291c1fcafad8425d93f771b5bcc2bd398b4
- https://git.kernel.org/stable/c/943eb0ede74ecd609fdfd3f0b83e0d237613e526
- https://git.kernel.org/stable/c/fada9b8c95c77bb46b89e18117405bc90fce9f74
- https://git.kernel.org/stable/c/e98ecc6e94f4e6d21c06660b0f336df02836694f
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.