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CVE-2006-2446

5.4 · MEDIUM

Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of servic…

Published Aug 15, 2006linuxEPSS 3.44%

Overview

CVE-2006-2446 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 15, 2006 and has a CVSS 2.0 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.

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

References

Refsecunia.com/advisories/21465Refsecunia.com/advisories/22082Refsecunia.com/advisories/22093Refsecunia.com/advisories/22417Refsupport.avaya.com/elmodocs2/security/ASA-2006-200.htmRefwww.debian.org/security/2006/dsa-1183Refwww.debian.org/security/2006/dsa-1184Refwww.mandriva.com/security/advisories?name=MDKSA-2007:025Refwww.redhat.com/support/errata/RHSA-2006-0575.htmlRefwww.securityfocus.com/bid/19475

How CyberStrike helps

Frequently asked questions

What is CVE-2006-2446?

CVE-2006-2446 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 15, 2006 and has a CVSS 2.0 base score of 5.4 (MEDIUM).

How severe is CVE-2006-2446?

This vulnerability has a CVSS 2.0 base score of 5.4, 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-2006-2446?

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-2006-2446?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-2446 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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