CVE-2006-2446

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 service (crash), as demonstrated using the TCP stress tests from the LTP test suite.

Package Linux Kernel
Published 2006-08-15
Last modified 2026-04-16
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

5.4

out of 10
Medium
Attack Vector
Network
Attack Complexity
High
Privileges Required
User Interaction
Scope
Confidentiality
High
Integrity
None
Availability
Vector string
AV:N/AC:H/Au:N/C:N/I:N/A:C

References

The following references provide additional information about CVE-2006-2446 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2006-2446?

    CVE-2006-2446 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.4 out of 10 . CVE-2006-2446 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2006-2446?

    CVE-2006-2446 has a CVSS score of 5.4 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:H/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2006-2446?

    No patch is currently available for CVE-2006-2446. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2006-2446 actively exploited?

    No — CVE-2006-2446 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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