CVE-2010-3904
HIGHThe rds_page_copy_user function in net/rds/page.c in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel before 2.6.36 does not properly validate addresses…
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Description
The rds_page_copy_user function in net/rds/page.c in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel before 2.6.36 does not properly validate addresses obtained from user space, which allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.
Affected Products
ubuntu linuxcanonicallinux kernellinuxopensuseopensuseenterprise linuxredhatlinux enterprise desktopsuselinux enterprise real time extensionsuseResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Linux Kernel 2.6.36-rc8 - 'RDS Protocol' Local Privilege Escalation
by Dan Rosenberg · Oct 19, 2010
Linux 2.6.30 < 2.6.36-rc8 - Reliable Datagram Sockets (RDS) Privilege Escalation (Metasploit)
by Metasploit · May 21, 2018
Detection & mitigation playbook
Vendor / applianceDetect
Inventory every canonical ubuntu linux deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.
Fix
Apply the canonical ubuntu linux security patch or hotfix for CVE-2010-3904 on the affected version, following the vendor advisory for your exact build.
Workarounds
Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.
How O3 protects you
O3 detects and blocks CVE-2010-3904 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.
Tailored to CVE-2010-3904. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2010-3904 being exploited in your environment?
O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2010-3904 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.