HIGH
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."
Published Nov 7, 2006
7.5
HIGHCVSS 2.0
EPSS 3.70%
Description
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."
Affected products
No data.
OR
- ≤ 2.6.16.30
- 2.6.0
- 2.6.1
- 2.6.1
- 2.6.1
- 2.6.1
- 2.6.2
- 2.6.2
- 2.6.2
- 2.6.2
- 2.6.3
- 2.6.3
- 2.6.3
- 2.6.3
- 2.6.3
- 2.6.4
- 2.6.4
- 2.6.4
- 2.6.4
- 2.6.5
- 2.6.5
- 2.6.5
- 2.6.5
- 2.6.6
- 2.6.6
- 2.6.6
- 2.6.6
- 2.6.7
- 2.6.7
- 2.6.7
- 2.6.7
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8.1
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.9
- 2.6.11.10
- 2.6.11.11
- 2.6.11.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.12.5
- 2.6.12.6
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13.1
- 2.6.13.2
- 2.6.13.3
- 2.6.13.4
- 2.6.13.5
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14.1
- 2.6.14.2
- 2.6.14.3
- 2.6.14.4
- 2.6.14.5
- 2.6.14.6
- 2.6.14.7
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15.1
- 2.6.15.2
- 2.6.15.3
- 2.6.15.4
- 2.6.15.5
- 2.6.15.6
- 2.6.15.7
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16.1
- 2.6.16.2
- 2.6.16.3
- 2.6.16.4
- 2.6.16.5
- 2.6.16.6
- 2.6.16.7
- 2.6.16.8
- 2.6.16.9
- 2.6.16.10
- 2.6.16.11
- 2.6.16.12
- 2.6.16.13
- 2.6.16.14
- 2.6.16.15
- 2.6.16.16
- 2.6.16.17
- 2.6.16.18
- 2.6.16.19
- 2.6.16.20
- 2.6.16.21
- 2.6.16.22
- 2.6.16.23
- 2.6.16.24
- 2.6.16.25
- 2.6.16.26
- 2.6.16.27
- 2.6.16.28
- 2.6.16.29
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.70% 0.03697
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03697
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.70% (0.03697) | 89.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.50% (0.03505) | 87.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.12% (0.01124) | 76.77th | v4 (v2025.03.14) |
| Feb 26, 2025 | 7.19% (0.07189) | 94.06th | v3 (v2023.03.01) |
| Dec 17, 2024 | 9.92% (0.09922) | 94.86th | v3 (v2023.03.01) |
| Dec 12, 2024 | 5.59% (0.05595) | 93.54th | v3 (v2023.03.01) |
| May 19, 2024 | 5.80% (0.05804) | 93.36th | v3 (v2023.03.01) |
| Apr 1, 2024 | 6.19% (0.06192) | 93.42th | v3 (v2023.03.01) |
| Feb 11, 2024 | 4.47% (0.04468) | 92.13th | v3 (v2023.03.01) |
| Nov 25, 2023 | 5.67% (0.05671) | 92.51th | v3 (v2023.03.01) |
| Oct 18, 2023 | 5.90% (0.05899) | 92.58th | v3 (v2023.03.01) |
| Sep 10, 2023 | 1.48% (0.01478) | 85.18th | v3 (v2023.03.01) |
| Aug 3, 2023 | 0.83% (0.00829) | 79.76th | v3 (v2023.03.01) |
| Jun 26, 2023 | 1.89% (0.01893) | 86.84th | v3 (v2023.03.01) |
| Apr 10, 2023 | 1.83% (0.01826) | 86.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.52% (0.01517) | 84.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
Weaknesses (1)
References (21)
- http://readlist.com/lists/vger.kernel.org/linux-kernel/55/275979.html mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/22731 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/22762 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/23384 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/23474 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24098 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/25691 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.kernel.org/git/?p=linux%2Fkernel%2Fgit%2Fstable%2Flinux-2.6.16.y.git&a=search&s=CVE-2006-4572 x_refsource_CONFIRM
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=0ddfcc96928145d6a6425fdd26dad6abfe7f891d x_refsource_CONFIRM
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=6ac62be885810e1f8390f0c3b9d3ee451d3d3f19 x_refsource_CONFIRM
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.31 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:197 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/archive/1/471457 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/20955 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-395-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/usn-416-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2006/4386 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2006-4572 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2006-4572
- https://www.cve.org/CVERecord?id=CVE-2006-4572
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 7, 2006
Updated Aug 7, 2024
Reserved Sep 6, 2006
Link CVE-2006-4572
CISA Vulnrichment
Updated n/a