CVE-2006-0039

Medium

Race condition in the do_add_counters function in netfilter for Linux kernel 2.6.16 allows local users with CAP_NET_ADMIN capabilities to read kernel memory by triggering the race condition in a way that produces a size value that is inconsistent with allocated memory, which leads to a buffer over-read in IPT_ENTRY_ITERATE.

Package Linux Kernel
Published 2006-05-19
Last modified 2026-04-16
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.7

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

Weakness type

CWE-362

CVE-2006-0039 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2006-0039 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-2006-0039?

    CVE-2006-0039 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2006-0039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2006-0039?

    CVE-2006-0039 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:P/I:N/A:C .

  • Is there a patch available for CVE-2006-0039?

    No patch is currently available for CVE-2006-0039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2006-0039 actively exploited?

    No — CVE-2006-0039 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Race Condition (CWE-362)?

    The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →

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