kernel: sctp: skb_over_panic when receiving malformed ASCONF chunks
Published Nov 10, 2014
7.5
HIGHCVSS 3.1
EPSS 7.46%
Description
The SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (system crash) via a malformed ASCONF chunk, related to net/sctp/sm_make_chunk.c and net/sctp/sm_statefuns.c.
Affected products
No data.
Configuration 1
- ≥ 2.6.12 · < 3.2.64
- ≥ 3.3 · < 3.4.107
- ≥ 3.5 · < 3.10.61
- ≥ 3.11 · < 3.12.34
- ≥ 3.13 · < 3.14.25
- ≥ 3.15 · < 3.16.35
- ≥ 3.17 · < 3.17.4
Configuration 2
- 5.0
- 2.0
Configuration 3
- 12.04
Configuration 4
- 7.0
Configuration 5
- 11.4
- 12
- 12
- 10
- 11
- 11
- 12
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-504.3.3.el6
Fixed · RHSA-2014:1997
Red Hat Enterprise Linux 6.2 Advanced Update Support
kernel-0:2.6.32-220.58.1.el6
Fixed · RHSA-2015:0115
Red Hat Enterprise Linux 6.4 Extended Update Support
kernel-0:2.6.32-358.55.1.el6
Fixed · RHSA-2015:0043
Red Hat Enterprise Linux 6.5 Extended Update Support
kernel-0:2.6.32-431.46.2.el6
Fixed · RHSA-2015:0062
Red Hat Enterprise Linux 7
kernel-0:3.10.0-123.13.1.el7
Fixed · RHSA-2014:1971
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-504.3.3.el6 | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | kernel-0:2.6.32-220.58.1.el6 | Fixed | RHSA-2015:0115 |
| Red Hat Enterprise Linux 6.4 Extended Update Support | kernel-0:2.6.32-358.55.1.el6 | Fixed | RHSA-2015:0043 |
| Red Hat Enterprise Linux 6.5 Extended Update Support | kernel-0:2.6.32-431.46.2.el6 | Fixed | RHSA-2015:0062 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-123.13.1.el7 | Fixed | RHSA-2014:1971 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does affect Red Hat Enterprise Linux 5. This has been rated as having Important security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. This issue does affect Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG. Future Linux kernel updates for the respective releases will address this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 2, 2026 | 7.46% (0.07461) | 94.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.46% (0.07461) | 93.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 9.80% (0.09797) | 92.39th | v4 (v2025.03.14) |
| Dec 17, 2024 | 29.51% (0.29512) | 96.90th | v3 (v2023.03.01) |
| Dec 12, 2024 | 90.79% (0.90793) | 98.98th | v3 (v2023.03.01) |
| Aug 6, 2024 | 91.78% (0.91776) | 98.96th | v3 (v2023.03.01) |
| Jun 22, 2024 | 93.35% (0.93353) | 99.09th | v3 (v2023.03.01) |
| May 6, 2024 | 95.45% (0.95451) | 99.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.52% (0.95518) | 98.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (23)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9de7922bc709eee2f609cd01d98aaedc4cf5ea74 x_refsource_CONFIRM
- http://linux.oracle.com/errata/ELSA-2014-3087.html x_refsource_CONFIRMThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-3088.html x_refsource_CONFIRMThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-3089.html x_refsource_CONFIRMThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=142722450701342&w=2 vendor-advisoryx_refsource_HPMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=142722544401658&w=2 vendor-advisoryx_refsource_HPMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0062.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0115.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/62428 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.debian.org/security/2014/dsa-3060 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securityfocus.com/bid/70883 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2417-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2418-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-3673 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1147850 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/9de7922bc709eee2f609cd01d98aaedc4cf5ea74 x_refsource_CONFIRMExploitPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-3673
- https://www.cve.org/CVERecord?id=CVE-2014-3673
Change history (0)
No recorded changes yet.