CVE-2023-4515 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ksmbd: validate command request size

In commit 2b9b8f3b68ed (\ksmbd: validate command payload size) except for SMB2_OPLOCK_BREAK_HE command the request size of other commands is not checked it’s not expected. Fix it by add check for request size of other commands.

Reference

https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870 https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb