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CVE-2010-3873

5.0 · MEDIUM

The X.25 implementation in the Linux kernel before 2.6.36.2 does not properly parse facilities, which allows remote attackers to cause a denial of service (heap memory corruption and panic) or poss…

Published Jan 3, 2011linuxCWE-119EPSS 3.74%

Overview

CVE-2010-3873 is a medium-severity vulnerability affecting linux linux_kernel. It was published on January 3, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The X.25 implementation in the Linux kernel before 2.6.36.2 does not properly parse facilities, which allows remote attackers to cause a denial of service (heap memory corruption and panic) or possibly have unspecified other impact via malformed (1) X25_FAC_CALLING_AE or (2) X25_FAC_CALLED_AE data, related to net/x25/x25_facilities.c and net/x25/x25_in.c, a different vulnerability than CVE-2010-4164.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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
linuxlinux_kernel>= 0, < 2.6.36.2Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6331d6f9a4298173b413cf99a40cc86a9d92c37Reflists.opensuse.org/opensuse-security-announce/2011-02/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2013-06/msg00005.htmlRefopenwall.com/lists/oss-security/2010/11/03/2Refopenwall.com/lists/oss-security/2010/11/04/3Refsecunia.com/advisories/43291Refwww.debian.org/security/2010/dsa-2126Refwww.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2Refwww.mandriva.com/security/advisories?name=MDVSA-2011:029Refwww.spinics.net/lists/netdev/msg145786.html

How CyberStrike helps

Frequently asked questions

What is CVE-2010-3873?

CVE-2010-3873 is a medium-severity vulnerability affecting linux linux_kernel. It was published on January 3, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2010-3873?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-3873?

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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-2010-3873?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-3873 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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