Reliable Datagram Sockets (RDS) is a high-performance,
low-latency,
reliable
Reliability, reliable, or unreliable may refer to:
Science, technology, and mathematics Computing
* Data reliability (disambiguation), a property of some disk arrays in computer storage
* Reliability (computer networking), a category used to des ...
,
connectionless
Connectionless communication, often referred to as CL-mode communication,Information Processing Systems - Open Systems Interconnection, "Transport Service Definition - Addendum 1: Connectionless-mode Transmission", International Organization for ...
protocol for delivering
datagram
A datagram is a basic transfer unit associated with a packet-switched network. Datagrams are typically structured in header and payload sections. Datagrams provide a connectionless communication service across a packet-switched network. The de ...
s. It is developed by
Oracle Corporation
Oracle Corporation is an American Multinational corporation, multinational computer technology company headquartered in Austin, Texas. Co-founded in 1977 in Santa Clara, California, by Larry Ellison, who remains executive chairman, Oracle was ...
.
It was included in the
Linux kernel
The Linux kernel is a Free and open-source software, free and open source Unix-like kernel (operating system), kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the k ...
2.6.30 which was released on 9 June 2009. The code was contributed by the
OpenFabrics Alliance (OFA).
On October 19, 2010, VSR announced , a vulnerability within the Linux 2.6.30 kernel which could result in a local
privilege escalation
Privilege escalation is the act of exploiting a Software bug, bug, a Product defect, design flaw, or a configuration oversight in an operating system or software application to gain elevated access to resource (computer science), resources that ar ...
via the kernel's implementation of RDS. This was subsequently fixed in Linux 2.6.36.
On May 8, 2019, was published, regarding a
race condition
A race condition or race hazard is the condition of an electronics, software, or other system where the system's substantive behavior is dependent on the sequence or timing of other uncontrollable events, leading to unexpected or inconsistent ...
in the Linux RDS implementation that could lead to a
use-after-free bug and possible
arbitrary code execution
In computer security, arbitrary code execution (ACE) is an attacker's ability to run any commands or code of the attacker's choice on a target machine or in a target process. An arbitrary code execution vulnerability is a security flaw in softwa ...
.
The bug has been fixed in Linux 5.0.8.
Header
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See also
*
Transmission Control Protocol
The Transmission Control Protocol (TCP) is one of the main communications protocol, protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, th ...
*
Stream Control Transmission Protocol
The Stream Control Transmission Protocol (SCTP) is a computer networking communications protocol in the transport layer of the Internet protocol suite. Originally intended for Signaling System 7 (SS7) message transport in telecommunication, the ...
*
User Datagram Protocol
In computer networking, the User Datagram Protocol (UDP) is one of the core communication protocols of the Internet protocol suite used to send messages (transported as datagrams in Network packet, packets) to other hosts on an Internet Protoco ...
*
UDP-Lite
References
External links
Oss.oracle.comOss.oracle.com* https://oss.oracle.com/projects/rds/dist/documentation/rds-3.1-spec.html
Network socket
Transport layer protocols
Internet protocols
Oracle Corporation
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