Reliable Datagram Sockets
Script error: No such module "Unsubst". Template:Infobox networking protocol Template:IPstack Reliable Datagram Sockets (RDS) is a high-performance, low-latency, reliable, connectionless protocol for delivering datagrams. It is developed by Oracle Corporation.
It was included in the Linux kernel 2.6.30 which was released on 9 June 2009. The code was contributed by the OpenFabrics Alliance (OFA).[1]
On October 19, 2010, VSR announced Template:CVE, a vulnerability within the Linux 2.6.30 kernel which could result in a local privilege escalation via the kernel's implementation of RDS.[2] This was subsequently fixed in Linux 2.6.36.[3]
On May 8, 2019, Template:CVE was published, regarding a race condition in the Linux RDS implementation that could lead to a use-after-free bug and possible arbitrary code execution.[4] The bug has been fixed in Linux 5.0.8.
Header
| Size (bits) | Name | Description |
|---|---|---|
| be64 | h_sequence | Sequence number |
| be64 | h_ack | Sequence number of last received message |
| be32 | h_len | Length of the message payload |
| be16 | h_sport | Port on source node |
| be16 | h_dport | Port on destination node |
| 8 | h_flags | Described below |
| 8 | h_credit | Credits given (used for credit-based flow control) |
| 32 | h_padding | Padding for 64-bit struct alignment |
| 16 | h_csum | 1's complement header checksum |
| 128 | h_exthdr | Optional extension header space |
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See also
References
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