MEDIUM
kernel: net: acceptation of overlapping ipv6 fragments
Published Dec 21, 2012
5.0
MEDIUMCVSS 2.0
EPSS 3.58%
Description
The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.
Affected products
No data.
OR
- ≤ 2.6.36
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30.1
- 2.6.30.2
- 2.6.30.3
- 2.6.30.4
- 2.6.30.5
- 2.6.30.6
- 2.6.30.7
- 2.6.30.8
- 2.6.30.9
- 2.6.30.10
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31-rc2
- 2.6.31-rc3
- 2.6.31-rc4
- 2.6.31-rc5
- 2.6.31-rc6
- 2.6.31-rc7
- 2.6.31-rc8
- 2.6.31-rc9
- 2.6.31-rc10
- 2.6.31.1
- 2.6.31.2
- 2.6.31.3
- 2.6.31.4
- 2.6.31.5
- 2.6.31.6
- 2.6.31.7
- 2.6.31.8
- 2.6.31.9
- 2.6.31.10
- 2.6.31.11
- 2.6.31.12
- 2.6.31.13
- 2.6.31.14
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32.1
- 2.6.32.2
- 2.6.32.3
- 2.6.32.4
- 2.6.32.5
- 2.6.32.6
- 2.6.32.7
- 2.6.32.8
- 2.6.32.9
- 2.6.32.10
- 2.6.32.11
- 2.6.32.12
- 2.6.32.13
- 2.6.32.14
- 2.6.32.15
- 2.6.32.16
- 2.6.32.17
- 2.6.32.18
- 2.6.32.19
- 2.6.32.20
- 2.6.32.21
- 2.6.32.22
- 2.6.32.23
- 2.6.32.24
- 2.6.32.25
- 2.6.32.26
- 2.6.32.27
- 2.6.32.28
- 2.6.32.29
- 2.6.32.30
- 2.6.32.31
- 2.6.32.32
- 2.6.32.33
- 2.6.32.34
- 2.6.32.35
- 2.6.32.36
- 2.6.32.37
- 2.6.32.38
- 2.6.32.39
- 2.6.32.40
- 2.6.32.41
- 2.6.32.42
- 2.6.32.43
- 2.6.32.44
- 2.6.32.45
- 2.6.32.46
- 2.6.32.47
- 2.6.32.48
- 2.6.32.49
- 2.6.32.50
- 2.6.32.51
- 2.6.32.52
- 2.6.32.53
- 2.6.32.54
- 2.6.32.55
- 2.6.32.56
- 2.6.32.57
- 2.6.32.58
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33.1
- 2.6.33.2
- 2.6.33.3
- 2.6.33.4
- 2.6.33.5
- 2.6.33.6
- 2.6.33.7
- 2.6.33.8
- 2.6.33.9
- 2.6.33.10
- 2.6.33.11
- 2.6.33.12
- 2.6.33.13
- 2.6.33.14
- 2.6.33.15
- 2.6.33.16
- 2.6.33.17
- 2.6.33.18
- 2.6.33.19
- 2.6.33.20
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34.1
- 2.6.34.2
- 2.6.34.3
- 2.6.34.4
- 2.6.34.5
- 2.6.34.6
- 2.6.34.7
- 2.6.34.8
- 2.6.34.9
- 2.6.34.10
- 2.6.35
- 2.6.35
- 2.6.35
- 2.6.35
- 2.6.35
- 2.6.35
- 2.6.35
- 2.6.35.1
- 2.6.35.2
- 2.6.35.3
- 2.6.35.4
- 2.6.35.5
- 2.6.35.6
- 2.6.35.7
- 2.6.35.8
- 2.6.35.9
- 2.6.35.10
- 2.6.35.11
- 2.6.35.12
- 2.6.35.13
- 2.6.36
- 2.6.36
- 2.6.36
- 2.6.36
- 2.6.36
- 2.6.36
- 2.6.36
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-348.1.1.el5
Fixed · RHSA-2013:0168
Red Hat Enterprise Linux 6
kernel-0:2.6.32-279.19.1.el6
Fixed · RHSA-2012:1580
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-348.1.1.el5 | Fixed | RHSA-2013:0168 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-279.19.1.el6 | Fixed | RHSA-2012:1580 |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.58% 0.03585
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03585
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.58% (0.03585) | 89.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.52% (0.03517) | 87.67th | v5 (v2026.06.15) |
| Dec 7, 2025 | 1.26% (0.01262) | 78.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.95% (0.02953) | 85.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.63% (0.00632) | 79.76th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.63% (0.00632) | 78.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00632) | 75.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 80.28th | v2 (v2022.01.01) |
| Feb 3, 2023 | 3.78% (0.03779) | 85.12th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (13)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70789d7052239992824628db8133de08dc78e593 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00000.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2012-1580.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2012/11/09/2 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1660-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1661-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-4444 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=874835 x_refsource_CONFIRMPatchIssue Tracking
- https://github.com/torvalds/linux/commit/70789d7052239992824628db8133de08dc78e593 x_refsource_CONFIRMPatchVendor Advisory
- https://media.blackhat.com/bh-eu-12/Atlasis/bh-eu-12-Atlasis-Attacking_IPv6-WP.pdf x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2012-4444
- https://www.cve.org/CVERecord?id=CVE-2012-4444
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Dec 21, 2012
Updated Aug 6, 2024
Reserved Aug 21, 2012
Link CVE-2012-4444
CISA Vulnrichment
Updated n/a