# CVE-2010-3904: Linux Kernel Improper Input Validation Vulnerability

Source: https://junglewise.ai/threats/cve-2010-3904-linux-kernel-improper-input-validation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-05-12. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2010-3904 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-05-12

The rds_page_copy_user function in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel fails to properly validate user-space addresses. Local attackers can exploit this flaw via crafted sendmsg and recvmsg system calls to escalate privileges.

Technologies: [Linux Kernel](https://junglewise.ai/threats/technologies/kernel). Vendors: [Linux](https://junglewise.ai/threats/vendors/linux).

## Quick answers

**Is CVE-2010-3904 exploited in the wild?** Yes. CVE-2010-3904 is known to be exploited in the wild, first recorded on 12 May 2023. Treat it as urgent.

**How severe is CVE-2010-3904?** Critical severity, with a CVSS score of 7.8, published 12 May 2023.

**Which products and versions are affected?** Linux Linux Kernel before 2.6.36.

**Is there a fix for CVE-2010-3904?** A patch was published on 2010-10-20: Linux kernel 2.6.36 released containing the fix. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2010-3904 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2010-3904?** Check whether you run Linux Kernel. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Linux Linux Kernel before 2.6.36

## Timeline

- 2010-10-19: disclosed: Initial advisory and exploit details published.
- 2010-10-20: patched: Linux kernel 2.6.36 released containing the fix.
- 2023-05-12: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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