kernel: SCTP denial of service during timeout
Published Feb 8, 2016
6.2
MEDIUMCVSS 3.0
EPSS 0.39%
Description
net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call.
Affected products
No data.
Configuration 1
- < 4.3
Configuration 2
- 7.0
- 8.0
Configuration 3
- 12.04
- 14.04
- 15.10
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-573.26.1.el6
Fixed · RHSA-2016:0715
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.22.2.el7
Fixed · RHSA-2016:1277
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-327.22.2.rt56.230.el7_2
Fixed · RHSA-2016:1301
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-327.rt56.190.el6rt
Fixed · RHSA-2016:1341
Red Hat Enterprise Linux 5
kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-573.26.1.el6 | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.22.2.el7 | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-327.22.2.rt56.230.el7_2 | Fixed | RHSA-2016:1301 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-327.rt56.190.el6rt | Fixed | RHSA-2016:1341 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and MRG-2 and may be addressed in future updates. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate 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/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:L/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 1, 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00391) | 30.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00391) | 30.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00121) | 28.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00176) | 56.04th | v3 (v2023.03.01) |
| Aug 22, 2023 | 0.18% (0.00176) | 54.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00124) | 45.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (28)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=635682a14427d241bab7bbdeebb48a7d7b91638e x_refsource_CONFIRMPatchVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0715.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2016/dsa-3448 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/11/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/80268 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2930-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2930-3 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2931-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2932-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2967-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2967-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1277 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1301 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1341 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8767 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1297389 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/635682a14427d241bab7bbdeebb48a7d7b91638e x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8767
- https://www.cve.org/CVERecord?id=CVE-2015-8767
Change history (0)
No recorded changes yet.