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CVE-2003-0464

4.6 · MEDIUM

The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.

Published Aug 27, 2003redhatEPSS 0.38%

Overview

CVE-2003-0464 is a medium-severity vulnerability affecting redhat linux. It was published on August 27, 2003 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.

Remediation

Check the references section for vendor advisories and patches from redhat. Update linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.redhat.com/support/errata/RHSA-2003-238.htmlRefoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A311Refwww.redhat.com/support/errata/RHSA-2003-238.htmlRefoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A311

How CyberStrike helps

Frequently asked questions

What is CVE-2003-0464?

CVE-2003-0464 is a medium-severity vulnerability affecting redhat linux. It was published on August 27, 2003 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2003-0464?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2003-0464?

Check the references section for vendor advisories and patches from redhat. Update linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2003-0464?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2003-0464 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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