CVE-2021-47448

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible stall on recvmsg recvmsg can enter an infinite loop if the caller provides the MSGWAITALL, the data present in the receive queue is not sufficient to fulfill the request, and no more data is received by the...

CVE-2021-47448

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible stall on recvmsg recvmsg can enter an infinite loop if the caller provides the MSGWAITALL, the data present in the receive queue is not sufficient to fulfill the request, and no more data is received by the...

CVE-2021-47448

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible stall on recvmsg recvmsg can enter an infinite loop if the caller provides the MSGWAITALL, the data present in the receive queue is not sufficient to fulfill the request, and no more data is received by the...

CVE-2021-47448

CVE-2021-47448 affects the Linux kernel MPTCP recvmsg path. If the caller uses MSG_WAITALL and insufficient data remains to satisfy the request, recvmsg can stall in an infinite loop because mptcp_wait_data() detects MPTCP_DATA_READY and never clears it in that code path. This can trigger an RCU ...