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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
d5c7076b772ad7dcdb92303397b36aee8fa0d25d to < d0050ec3ebbcb3451df9a65b8460be9b9e02e80caffectedd5c7076b772ad7dcdb92303397b36aee8fa0d25d to < 9312e04b6c6bc46354ecd0cc82052a2b3df0b529affectedd5c7076b772ad7dcdb92303397b36aee8fa0d25d to < 60480291c1fcafad8425d93f771b5bcc2bd398b4affectedd5c7076b772ad7dcdb92303397b36aee8fa0d25d to < 943eb0ede74ecd609fdfd3f0b83e0d237613e526affectedd5c7076b772ad7dcdb92303397b36aee8fa0d25d to < fada9b8c95c77bb46b89e18117405bc90fce9f74affectedd5c7076b772ad7dcdb92303397b36aee8fa0d25d to < e98ecc6e94f4e6d21c06660b0f336df02836694faffected
Linux Linux
Default version status: affected
5.0affected0 to < 5.0unaffected5.4.220 to ≤ 5.4.*unaffected5.10.150 to ≤ 5.10.*unaffected5.15.75 to ≤ 5.15.*unaffected5.19.17 to ≤ 5.19.*unaffected6.0.3 to ≤ 6.0.*unaffected6.1 to ≤ *unaffected
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 ↗