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Linux Kernel: SMB Server Can Crash with Samba Connection
CVE-2025-71220
Summary
A fix has been made to prevent the Linux kernel's SMB server from crashing when a certain type of error occurs during a Samba connection. This issue affected the stability of the server when dealing with a specific type of data transfer. To address this, the affected Linux kernel has been updated with a fix.
Original title
In the Linux kernel, the following vulnerability has been resolved:
smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
When ksmbd_iov_pin_rsp() fails, we should call k...
Original description
In the Linux kernel, the following vulnerability has been resolved:
smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
When ksmbd_iov_pin_rsp() fails, we should call ksmbd_session_rpc_close().
smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
When ksmbd_iov_pin_rsp() fails, we should call ksmbd_session_rpc_close().
- https://git.kernel.org/stable/c/04dd114b682a4ccaeba2c2bad049c8b50ce740d8
- https://git.kernel.org/stable/c/2b7b4df87fe6f2db6ee45f475de6b37b8b8e5d29
- https://git.kernel.org/stable/c/7c28f8eef5ac5312794d8a52918076dcd787e53b
- https://git.kernel.org/stable/c/a2c68e256fb7a4ac34154c6e865a1389acca839f
- https://git.kernel.org/stable/c/ac18761b530b5dd40f59af8a25902282e5512854
- https://git.kernel.org/stable/c/fdda836fcee6fdbcccc24e3679097efb583f581f
Published: 14 Feb 2026 · Updated: 10 Mar 2026 · First seen: 6 Mar 2026