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’s MPTCP path: recvmsg() with MSG_WAITALL can stall when not enough data is available, leaving mptcp_wait_data() in a state where MPTCP_DATA_READY is set but never cleared, which can trigger an RCU stall. The bug is in the mptcp_recvmsg/mptcp_wait_data path ...