CVE-2015-8767 json
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…
published 2016-02-08 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8639
- cvss
- 6.2
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
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.
Patch / fix
- linux linux_kernel 4.3
- linux Debian 14, Debian 13, Debian 12 4.3.1-1
debian advisories DEBIAN-CVE-2015-8767
- linux Ubuntu 14.04 LTS 3.13.0-96.143
- linux-lts-wily Ubuntu 14.04 LTS 4.2.0-34.39~14.04.1
- linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-56.62~14.04.1
- linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-67.87~14.04.1
ubuntu advisories UBUNTU-CVE-2015-8767
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-rt enterprise mrg 2 1:3.10.0-327.rt56.190.el6rt
- kernel-rt-trace enterprise mrg 2 1:3.10.0-327.rt56.190.el6rt
- kernel-rt-vanilla enterprise mrg 2 1:3.10.0-327.rt56.190.el6rt
- kernel-rt-firmware enterprise mrg 2 1:3.10.0-327.rt56.190.el6rt
- kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-327.rt56.190.el6rt
- kernel-rt RHEL 7 EXTRAS_RT 3.10.0-327.22.2.rt56.230.el7_2
- kernel-rt-kvm RHEL 7 EXTRAS_RT 3.10.0-327.22.2.rt56.230.el7_2
- kernel-rt-trace RHEL 7 EXTRAS_RT 3.10.0-327.22.2.rt56.230.el7_2
red hat advisories RHSA-2016:1341RHSA-2016:1301RHSA-2016:1277RHSA-2016:0715
- kernel-ec2 SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-xen SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-syms SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-trace SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-bigsmp SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-source SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-default SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
- kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-51.1
suse advisories SUSE-SU-2016:2074-1SUSE-SU-2016:1203-1SUSE-SU-2016:1102-1SUSE-SU-2016:0911-1SUSE-SU-2016:0785-1SUSE-SU-2016:0585-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2015-8767 updated cvss 7.1
kernel: SCTP denial of service during timeout
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Red Hat Enterprise Linux 5 kernelaffected: no fix planned “Will not fix”
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Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-327.22.2.el7, kernel 3.10.0-327.22.2.el7, python-perf 3.10.0-327.22.2.el7, kernel-tools 3.10.0-327.22.2.el7, kernel-tools-libs 3.10.0-327.22.2.el7, kernel-abi-whitelists 3.10.0-327.22.2.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.22.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-327.22.2.el7, kernel 3.10.0-327.22.2.el7, python-perf 3.10.0-327.22.2.el7, kernel-tools 3.10.0-327.22.2.el7, kernel-tools-libs 3.10.0-327.22.2.el7, kernel-abi-whitelists 3.10.0-327.22.2.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.22.2.el7fixed: vendor fix RHSA-2016:1277
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Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6fixed: vendor fix RHSA-2016:0715
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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-kvm 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-trace 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debug-kvm 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-trace-kvm 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debuginfo-common-x86_64 3.10.0-327.22.2.rt56.230.el7_2fixed: vendor fix RHSA-2016:1301
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Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6fixed: vendor fix RHSA-2016:0715
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Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-trace 3.10.0-327.22.2.rt56.230.el7_2, kernel-rt-debuginfo-common-x86_64 3.10.0-327.22.2.rt56.230.el7_2fixed: vendor fix RHSA-2016:1301
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Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-kdump 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-bootwrapper 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, +4 morefixed: vendor fix RHSA-2016:0715
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Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-327.22.2.el7, kernel 3.10.0-327.22.2.el7, python-perf 3.10.0-327.22.2.el7, kernel-kdump 3.10.0-327.22.2.el7, kernel-tools 3.10.0-327.22.2.el7, kernel-tools-libs 3.10.0-327.22.2.el7, +6 morefixed: vendor fix RHSA-2016:1277
show 7 moreshow fewer
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Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-ppc64 2.6.32-573.26.1.el6, kernel-debuginfo-common-s390x 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6fixed: vendor fix RHSA-2016:0715
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Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-327.22.2.el7, kernel-debuginfo-common-x86_64 3.10.0-327.22.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-327.22.2.el7fixed: vendor fix RHSA-2016:1277
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Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6fixed: vendor fix RHSA-2016:0715
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Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-327.22.2.el7, kernel 3.10.0-327.22.2.el7, python-perf 3.10.0-327.22.2.el7, kernel-tools 3.10.0-327.22.2.el7, kernel-tools-libs 3.10.0-327.22.2.el7, kernel-abi-whitelists 3.10.0-327.22.2.el7, +1 morefixed: vendor fix RHSA-2016:1277
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Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6fixed: vendor fix RHSA-2016:0715
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Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.22.2.el7fixed: vendor fix RHSA-2016:1277
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Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-327.rt56.190.el6rt, kernel-rt-trace 3.10.0-327.rt56.190.el6rt, kernel-rt-vanilla 3.10.0-327.rt56.190.el6rt, kernel-rt-firmware 3.10.0-327.rt56.190.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-327.rt56.190.el6rtfixed: vendor fix RHSA-2016:1341
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.2 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
- Technology feeds
References
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=635682a14427d241bab7bbdeebb48a7d7b91638e
patch, vendor-advisory
-
github.com
/torvalds/linux/commit/635682a14427d241bab7bbdeebb48a7d7b91638e
patch, third-party-advisory
-
ubuntu.com
/usn/USN-2930-1
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2967-1
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2016:1341
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2016-0715.html
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2930-2
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2016:1301
vendor-advisory, third-party-advisory
-
debian.org
/security/2016/dsa-3503
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2967-2
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2930-3
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-04/msg00045.html
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-2932-1
vendor-advisory, third-party-advisory
-
lists.fedoraproject.org
/pipermail/package-announce/2016-February/176484.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-08/msg00038.html
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-2931-1
vendor-advisory, third-party-advisory
-
debian.org
/security/2016/dsa-3448
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-04/msg00015.html
vendor-advisory, mailing-list, third-party-advisory
-
access.redhat.com
/errata/RHSA-2016:1277
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-03/msg00094.html
vendor-advisory, mailing-list, third-party-advisory
-
oracle.com
/technetwork/topics/security/linuxbulletinjul2016-3090544.html
third-party-advisory
-
oracle.com
/technetwork/topics/security/linuxbulletinapr2016-2952096.html
third-party-advisory
-
openwall.com
/lists/oss-security/2016/01/11/4
mailing-list, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1297389
issue-tracking, third-party-advisory
-
securityfocus.com
/bid/80268
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2015-8767
- NVD CVE-2015-8767
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.