CVE-2025-21844 Information

Description

In the Linux kernel the following vulnerability has been resolved:

smb: client: Add check for next_buffer in receive_encrypted_standard()

Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer dereference.

Reference

https://git.kernel.org/stable/c/24e8e4523d3071bc5143b0db9127d511489f7b3b https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96 https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7 https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391 https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd