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Change History

In the Linux kernel, the following vulnerability has been resolved:

rxrpc: only handle RESPONSE during service challenge

Only process RESPONSE packets while the service connection is still in
RXRPC_CONN_SERVICE_CHALLENGING. Check that state under state_lock before
running response verification and security initialization, then use a local
secured flag to decide whether to queue the secured-connection work after
the state transition. This keeps duplicate or late RESPONSE packets from
re-running the setup path and removes the unlocked post-transition state
test.

https://git.kernel.org/stable/c/03fd2ef73cb4ffd0af100a95b634af54f474414e

https://git.kernel.org/stable/c/c43ffdcfdbb5567b1f143556df8a04b4eeea041c

https://git.kernel.org/stable/c/d0035e634dae83237ab7f5681eb52b2f65d0ceb8