CVE-2025-40084
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: transport_ipc: validate payload size before reading handle
handle_response() dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 bytes. A malformed or truncated message from ksmbd.mountd can lead to a 4-byte read past the declared payload size. Validate the size before dereferencing.
This is a minimal fix to guard the initial handle read.
No affected software listed.
- https://git.kernel.org/stable/c/2dc125f5da134c0915a840b62565c60a595673dd
- https://git.kernel.org/stable/c/6f40e50ceb99fc8ef37e5c56e2ec1d162733fef0
- https://git.kernel.org/stable/c/867ffd9d67285612da3f0498ca618297f8e41f01
- https://git.kernel.org/stable/c/898d527ed94c19980a4d848f10057f1fed578ffb
- https://git.kernel.org/stable/c/a02e432d5130da4c723aabe1205bac805889fdb2
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