CVE-2016-9555 in the critical feed json
The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8 lacks chunk-length checking for the first chunk, whic…
published 2016-11-28 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10361
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.0%
- EPSS 10.0% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8 lacks chunk-length checking for the first chunk, which allows remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified other impact via crafted SCTP data.
Patch / fix
- linux linux_kernel 3.2.85, 3.10.105, 3.12.68, 3.16.40, 3.18.49, 4.4.32, 4.8.8
- linux Debian 14, Debian 13, Debian 12 4.8.11-1
debian advisories DEBIAN-CVE-2016-9555
- linux Ubuntu 14.04 LTS 3.13.0-108.155
- linux Ubuntu 16.04 LTS 4.4.0-57.78
- linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1038.45
- linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-80.88~14.04.1
- linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-57.78~14.04.1
- linux-snapdragon Ubuntu 16.04 LTS 4.4.0-1042.46
ubuntu advisories UBUNTU-CVE-2016-9555
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 RHEL 6 2.6.32-642.15.1.el6
- perf RHEL 6 2.6.32-642.15.1.el6
- python-perf RHEL 6 2.6.32-642.15.1.el6
- kernel-kdump RHEL 6 2.6.32-642.15.1.el6
- kernel-firmware RHEL 6 2.6.32-642.15.1.el6
- kernel-bootwrapper RHEL 6 2.6.32-642.15.1.el6
- kernel-abi-whitelists RHEL 6 2.6.32-642.15.1.el6
- kernel-debuginfo-common-i686 RHEL 6 2.6.32-642.15.1.el6
red hat advisories RHSA-2017:0307RHSA-2017:0113RHSA-2017:0091RHSA-2017:0086
- kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-68.1
- kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-68.1
- kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-68.1
- kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-68.1
- kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.96.1
- kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.96.1
- kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.96.1
- kernel-syms SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.96.1
suse advisories SUSE-SU-2017:1102-1SUSE-SU-2017:0494-1SUSE-SU-2017:0437-1SUSE-SU-2017:0407-1SUSE-SU-2017:0333-1SUSE-SU-2016:3249-1
- kernel-source openSUSE Tumbleweed 4.8.13-1.1
opensuse advisories openSUSE-SU-2024:10128-1
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-2016-9555 updated cvss 5.9
kernel: Slab out-of-bounds access in sctp_sf_ootb()
-
Red Hat Enterprise Linux 5 kernelaffected: no fix available
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-514.6.1.el7, kernel 3.10.0-514.6.1.el7, python-perf 3.10.0-514.6.1.el7, kernel-tools 3.10.0-514.6.1.el7, kernel-tools-libs 3.10.0-514.6.1.el7, kernel-abi-whitelists 3.10.0-514.6.1.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-514.6.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-514.6.1.el7, kernel 3.10.0-514.6.1.el7, python-perf 3.10.0-514.6.1.el7, kernel-tools 3.10.0-514.6.1.el7, kernel-tools-libs 3.10.0-514.6.1.el7, kernel-abi-whitelists 3.10.0-514.6.1.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-514.6.1.el7fixed: vendor fix RHSA-2017:0086
-
Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-642.15.1.el6, kernel 2.6.32-642.15.1.el6, kernel-firmware 2.6.32-642.15.1.el6, kernel-abi-whitelists 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6fixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-514.6.1.rt56.429.el7, kernel-rt-kvm 3.10.0-514.6.1.rt56.429.el7, kernel-rt-trace 3.10.0-514.6.1.rt56.429.el7, kernel-rt-debug-kvm 3.10.0-514.6.1.rt56.429.el7, kernel-rt-trace-kvm 3.10.0-514.6.1.rt56.429.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-514.6.1.rt56.429.el7fixed: vendor fix RHSA-2017:0091
-
Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-642.15.1.el6, kernel 2.6.32-642.15.1.el6, kernel-firmware 2.6.32-642.15.1.el6, kernel-abi-whitelists 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6fixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-514.6.1.rt56.429.el7, kernel-rt-trace 3.10.0-514.6.1.rt56.429.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-514.6.1.rt56.429.el7fixed: vendor fix RHSA-2017:0091
-
Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-642.15.1.el6, kernel 2.6.32-642.15.1.el6, kernel-kdump 2.6.32-642.15.1.el6, kernel-firmware 2.6.32-642.15.1.el6, kernel-bootwrapper 2.6.32-642.15.1.el6, kernel-abi-whitelists 2.6.32-642.15.1.el6, +4 morefixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-514.6.1.el7, kernel 3.10.0-514.6.1.el7, python-perf 3.10.0-514.6.1.el7, kernel-kdump 3.10.0-514.6.1.el7, kernel-tools 3.10.0-514.6.1.el7, kernel-tools-libs 3.10.0-514.6.1.el7, +6 morefixed: vendor fix RHSA-2017:0086
show 7 moreshow fewer
-
Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-ppc64 2.6.32-642.15.1.el6, kernel-debuginfo-common-s390x 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6fixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-514.6.1.el7, kernel-debuginfo-common-x86_64 3.10.0-514.6.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.6.1.el7fixed: vendor fix RHSA-2017:0086
-
Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-642.15.1.el6, kernel 2.6.32-642.15.1.el6, kernel-firmware 2.6.32-642.15.1.el6, kernel-abi-whitelists 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6fixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-514.6.1.el7, kernel 3.10.0-514.6.1.el7, python-perf 3.10.0-514.6.1.el7, kernel-tools 3.10.0-514.6.1.el7, kernel-tools-libs 3.10.0-514.6.1.el7, kernel-abi-whitelists 3.10.0-514.6.1.el7, +1 morefixed: vendor fix RHSA-2017:0086
-
Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-642.15.1.el6, kernel-debuginfo-common-i686 2.6.32-642.15.1.el6, kernel-debuginfo-common-x86_64 2.6.32-642.15.1.el6fixed: vendor fix RHSA-2017:0307
-
Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-514.6.1.el7fixed: vendor fix RHSA-2017:0086
-
Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-514.rt56.210.el6rt, kernel-rt-trace 3.10.0-514.rt56.210.el6rt, kernel-rt-vanilla 3.10.0-514.rt56.210.el6rt, kernel-rt-firmware 3.10.0-514.rt56.210.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-514.rt56.210.el6rtfixed: vendor fix RHSA-2017:0113
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
10.02% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
- Technology feeds
References
-
github.com
/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
issue-tracking, patch, third-party-advisory
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
issue-tracking, patch, vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00044.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00077.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00067.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00056.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00073.html
vendor-advisory, mailing-list, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2017-0086.html
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2017-0113.html
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2017-0091.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00087.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00070.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00055.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00054.html
vendor-advisory, mailing-list, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2017-0307.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-12/msg00076.html
vendor-advisory, mailing-list, third-party-advisory
-
kernel.org
/pub/linux/kernel/v4.x/ChangeLog-4.8.8
release-notes, vendor-advisory
-
bto.bluecoat.com
/security-advisory/sa134
third-party-advisory
-
securitytracker.com
/id/1037339
vdb-entry, third-party-advisory
- groups.google.com /forum/#%21topic/syzkaller/pAUcHsUJbjk
-
securityfocus.com
/bid/94479
vdb-entry, third-party-advisory
-
openwall.com
/lists/oss-security/2016/11/22/18
mailing-list, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1397930
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2016-9555
- NVD CVE-2016-9555
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.