Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2006-4572

ip6_tables in netfilter in the Linux kernel before 2.6.16.31 allows remote attackers to (1) bypass a rule that disallows a protocol, via a packet with the protocol header not located immediately after the fragment header, aka "ip6_tables protocol bypass bug;" and (2) bypass a rule that looks for a certain extension header, via a packet with an extension header outside the first fragment, aka "ip6_tables extension header bypass bug."

Security Impact Summary

CVE-2006-4572 is a security vulnerability that . Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2006-11-07T00:07:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.16.30	Yes
Operating System	linux	linux_kernel	2.6.0	Yes
Operating System	linux	linux_kernel	2.6.1	Yes
Operating System	linux	linux_kernel	2.6.1	Yes
Operating System	linux	linux_kernel	2.6.1	Yes
Operating System	linux	linux_kernel	2.6.1	Yes
Operating System	linux	linux_kernel	2.6.2	Yes
Operating System	linux	linux_kernel	2.6.2	Yes
Operating System	linux	linux_kernel	2.6.2	Yes
Operating System	linux	linux_kernel	2.6.2	Yes
Operating System	linux	linux_kernel	2.6.3	Yes
Operating System	linux	linux_kernel	2.6.3	Yes
Operating System	linux	linux_kernel	2.6.3	Yes
Operating System	linux	linux_kernel	2.6.3	Yes
Operating System	linux	linux_kernel	2.6.3	Yes
Operating System	linux	linux_kernel	2.6.4	Yes
Operating System	linux	linux_kernel	2.6.4	Yes
Operating System	linux	linux_kernel	2.6.4	Yes
Operating System	linux	linux_kernel	2.6.4	Yes
Operating System	linux	linux_kernel	2.6.5	Yes
Operating System	linux	linux_kernel	2.6.5	Yes
Operating System	linux	linux_kernel	2.6.5	Yes
Operating System	linux	linux_kernel	2.6.5	Yes
Operating System	linux	linux_kernel	2.6.6	Yes
Operating System	linux	linux_kernel	2.6.6	Yes
Operating System	linux	linux_kernel	2.6.6	Yes
Operating System	linux	linux_kernel	2.6.6	Yes
Operating System	linux	linux_kernel	2.6.7	Yes
Operating System	linux	linux_kernel	2.6.7	Yes
Operating System	linux	linux_kernel	2.6.7	Yes
Operating System	linux	linux_kernel	2.6.7	Yes
Operating System	linux	linux_kernel	2.6.8	Yes
Operating System	linux	linux_kernel	2.6.8	Yes
Operating System	linux	linux_kernel	2.6.8	Yes
Operating System	linux	linux_kernel	2.6.8	Yes
Operating System	linux	linux_kernel	2.6.8	Yes
Operating System	linux	linux_kernel	2.6.8.1	Yes
Operating System	linux	linux_kernel	2.6.9	Yes
Operating System	linux	linux_kernel	2.6.9	Yes
Operating System	linux	linux_kernel	2.6.9	Yes
Operating System	linux	linux_kernel	2.6.9	Yes
Operating System	linux	linux_kernel	2.6.9	Yes
Operating System	linux	linux_kernel	2.6.10	Yes
Operating System	linux	linux_kernel	2.6.10	Yes
Operating System	linux	linux_kernel	2.6.10	Yes
Operating System	linux	linux_kernel	2.6.10	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11	Yes
Operating System	linux	linux_kernel	2.6.11.1	Yes
Operating System	linux	linux_kernel	2.6.11.2	Yes
Operating System	linux	linux_kernel	2.6.11.3	Yes
Operating System	linux	linux_kernel	2.6.11.4	Yes
Operating System	linux	linux_kernel	2.6.11.5	Yes
Operating System	linux	linux_kernel	2.6.11.6	Yes
Operating System	linux	linux_kernel	2.6.11.7	Yes
Operating System	linux	linux_kernel	2.6.11.8	Yes
Operating System	linux	linux_kernel	2.6.11.9	Yes
Operating System	linux	linux_kernel	2.6.11.10	Yes
Operating System	linux	linux_kernel	2.6.11.11	Yes
Operating System	linux	linux_kernel	2.6.11.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12.1	Yes
Operating System	linux	linux_kernel	2.6.12.2	Yes
Operating System	linux	linux_kernel	2.6.12.3	Yes
Operating System	linux	linux_kernel	2.6.12.4	Yes
Operating System	linux	linux_kernel	2.6.12.5	Yes
Operating System	linux	linux_kernel	2.6.12.6	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13	Yes
Operating System	linux	linux_kernel	2.6.13.1	Yes
Operating System	linux	linux_kernel	2.6.13.2	Yes
Operating System	linux	linux_kernel	2.6.13.3	Yes
Operating System	linux	linux_kernel	2.6.13.4	Yes
Operating System	linux	linux_kernel	2.6.13.5	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14	Yes
Operating System	linux	linux_kernel	2.6.14.1	Yes
Operating System	linux	linux_kernel	2.6.14.2	Yes
Operating System	linux	linux_kernel	2.6.14.3	Yes
Operating System	linux	linux_kernel	2.6.14.4	Yes
Operating System	linux	linux_kernel	2.6.14.5	Yes
Operating System	linux	linux_kernel	2.6.14.6	Yes
Operating System	linux	linux_kernel	2.6.14.7	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15	Yes
Operating System	linux	linux_kernel	2.6.15.1	Yes
Operating System	linux	linux_kernel	2.6.15.2	Yes
Operating System	linux	linux_kernel	2.6.15.3	Yes
Operating System	linux	linux_kernel	2.6.15.4	Yes
Operating System	linux	linux_kernel	2.6.15.5	Yes
Operating System	linux	linux_kernel	2.6.15.6	Yes
Operating System	linux	linux_kernel	2.6.15.7	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16	Yes
Operating System	linux	linux_kernel	2.6.16.1	Yes
Operating System	linux	linux_kernel	2.6.16.2	Yes
Operating System	linux	linux_kernel	2.6.16.3	Yes
Operating System	linux	linux_kernel	2.6.16.4	Yes
Operating System	linux	linux_kernel	2.6.16.5	Yes
Operating System	linux	linux_kernel	2.6.16.6	Yes
Operating System	linux	linux_kernel	2.6.16.7	Yes
Operating System	linux	linux_kernel	2.6.16.8	Yes
Operating System	linux	linux_kernel	2.6.16.9	Yes
Operating System	linux	linux_kernel	2.6.16.10	Yes
Operating System	linux	linux_kernel	2.6.16.11	Yes
Operating System	linux	linux_kernel	2.6.16.12	Yes
Operating System	linux	linux_kernel	2.6.16.13	Yes
Operating System	linux	linux_kernel	2.6.16.14	Yes
Operating System	linux	linux_kernel	2.6.16.15	Yes
Operating System	linux	linux_kernel	2.6.16.16	Yes
Operating System	linux	linux_kernel	2.6.16.17	Yes
Operating System	linux	linux_kernel	2.6.16.18	Yes
Operating System	linux	linux_kernel	2.6.16.19	Yes
Operating System	linux	linux_kernel	2.6.16.20	Yes
Operating System	linux	linux_kernel	2.6.16.21	Yes
Operating System	linux	linux_kernel	2.6.16.22	Yes
Operating System	linux	linux_kernel	2.6.16.23	Yes
Operating System	linux	linux_kernel	2.6.16.24	Yes
Operating System	linux	linux_kernel	2.6.16.25	Yes
Operating System	linux	linux_kernel	2.6.16.26	Yes
Operating System	linux	linux_kernel	2.6.16.27	Yes
Operating System	linux	linux_kernel	2.6.16.28	Yes
Operating System	linux	linux_kernel	2.6.16.29	Yes

References

http://readlist.com/lists/vger.kernel.org/linux-kernel/55/275979.html Patch ([email protected])
http://secunia.com/advisories/22731 Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/22762 Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/23384 Vendor Advisory ([email protected])
http://secunia.com/advisories/23474 Vendor Advisory ([email protected])
http://secunia.com/advisories/24098 Vendor Advisory ([email protected])
http://secunia.com/advisories/25691 Vendor Advisory ([email protected])
http://www.kernel.org/git/?p=linux%2Fkernel%2Fgit%2Fstable%2Flinux-2.6.16.y.git&a=search&s=CVE-2006-4572 ([email protected])
http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=0ddfcc96928145d6a6425fdd26dad6abfe7f891d ([email protected])
http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=6ac62be885810e1f8390f0c3b9d3ee451d3d3f19 ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.31 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2006:197 ([email protected])
http://www.novell.com/linux/security/advisories/2006_79_kernel.html ([email protected])
http://www.securityfocus.com/archive/1/471457 ([email protected])
http://www.securityfocus.com/bid/20955 ([email protected])
http://www.ubuntu.com/usn/usn-395-1 ([email protected])
http://www.ubuntu.com/usn/usn-416-1 ([email protected])
http://www.vupen.com/english/advisories/2006/4386 Vendor Advisory ([email protected])
http://readlist.com/lists/vger.kernel.org/linux-kernel/55/275979.html Patch (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22731 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/22762 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/23384 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/23474 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/24098 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25691 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/git/?p=linux%2Fkernel%2Fgit%2Fstable%2Flinux-2.6.16.y.git&a=search&s=CVE-2006-4572 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=0ddfcc96928145d6a6425fdd26dad6abfe7f891d (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=6ac62be885810e1f8390f0c3b9d3ee451d3d3f19 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.31 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:197 (af854a3a-2127-422b-91ae-364da2661108)
http://www.novell.com/linux/security/advisories/2006_79_kernel.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/471457 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/20955 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-395-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-416-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/4386 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.