net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the…
Priority LOW 28CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 19 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00391 33rd percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 19 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.3 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.3 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
Remediation
Red Hat 4 advisories
- RHSA-2016:1341 Released 2016-06-27 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-327.rt56.190.el6rt, kernel-rt-debug-1:3.10.0-327.rt56.190.el6rt, kernel-rt-debug-devel-1:3.10.0-327.rt56.190.el6rt +7
- RHSA-2016:1301 Released 2016-06-23 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debug-3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debug-devel-3.10.0-327.22.2.rt56.230.el7_2 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debug-3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debug-devel-3.10.0-327.22.2.rt56.230.el7_2 +7
- RHSA-2016:1277 Released 2016-06-23 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.22.2.el7, kernel-abi-whitelists-3.10.0-327.22.2.el7, kernel-debug-3.10.0-327.22.2.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.22.2.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.22.2.el7, kernel-abi-whitelists-3.10.0-327.22.2.el7, kernel-debug-3.10.0-327.22.2.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.22.2.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.22.2.el7, kernel-abi-whitelists-3.10.0-327.22.2.el7, kernel-bootwrapper-3.10.0-327.22.2.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.22.2.el7, kernel-tools-libs-devel-3.10.0-327.22.2.el7
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.22.2.el7, kernel-abi-whitelists-3.10.0-327.22.2.el7, kernel-debug-3.10.0-327.22.2.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.22.2.el7
Show 1 more Red Hat advisories
- RHSA-2016:0715 Released 2016-05-04 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-573.26.1.el6, kernel-abi-whitelists-2.6.32-573.26.1.el6, kernel-debug-2.6.32-573.26.1.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-573.26.1.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-573.26.1.el6, kernel-abi-whitelists-2.6.32-573.26.1.el6, kernel-debug-2.6.32-573.26.1.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-573.26.1.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-573.26.1.el6, kernel-abi-whitelists-2.6.32-573.26.1.el6, kernel-bootwrapper-2.6.32-573.26.1.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-573.26.1.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-573.26.1.el6, kernel-abi-whitelists-2.6.32-573.26.1.el6, kernel-debug-2.6.32-573.26.1.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-573.26.1.el6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Realtime (v. 7) | Fixed | RHSA-2016:1301 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:1277 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2016:1301 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2016:1341 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8767
- 2026-10-03 Alias added: GHSA-rc42-m3mv-gv4m
References
Patch 2
Advisory 22
- USN-2930-1
- USN-2967-1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- RHSA-2016:1341
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- RHSA-2016:0715
- USN-2930-2
- RHSA-2016:1301
- [oss-security] 20160111 CVE Request: Linux kernel - SCTP denial of service during heartbeat timeout functions.
- DSA-3503
- USN-2967-2
- USN-2930-3
- SUSE-SU-2016:1102
- USN-2932-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1297389
- FEDORA-2016-5d43766e33
- SUSE-SU-2016:2074
- USN-2931-1
- DSA-3448
- openSUSE-SU-2016:1008
- RHSA-2016:1277
- SUSE-SU-2016:0911
Sources
- CVE-2015-8767 · CVE Program
- CVE-2015-8767 · NVD
- FIRST EPSS
- GHSA-rc42-m3mv-gv4m · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8767 · Red Hat security data · CC BY 4.0
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