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TI-2016-07778 Aliases CVE-2016-9555GHSA-x329-xh53-wmqc

The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8…

Priority MEDIUM 54CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 19 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

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.

Why it matters now

EPSS 0.10019 95th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.2 to before 3.2.85; 3.3 to before 3.10.105; 3.11 to before 3.12.68; 3.13 to before 3.16.40; 3.17 to before 3.18.49; 3.19 to before 4.4.32; 4.5.0 to before 4.8.8VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.2 to before 3.2.85; 3.3 to before 3.10.105; 3.11 to before 3.12.68; 3.13 to before 3.16.40; 3.17 to before 3.18.49; 3.19 to before 4.4.32; 4.5.0 to before 4.8.8 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2017:0307 Released 2017-02-23 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-642.15.1.el6, kernel-abi-whitelists-2.6.32-642.15.1.el6, kernel-debug-2.6.32-642.15.1.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-642.15.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-642.15.1.el6, kernel-abi-whitelists-2.6.32-642.15.1.el6, kernel-debug-2.6.32-642.15.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-642.15.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-642.15.1.el6, kernel-abi-whitelists-2.6.32-642.15.1.el6, kernel-bootwrapper-2.6.32-642.15.1.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-642.15.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-642.15.1.el6, kernel-abi-whitelists-2.6.32-642.15.1.el6, kernel-debug-2.6.32-642.15.1.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-642.15.1.el6
  • RHSA-2017:0091 Released 2017-01-17 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.6.1.rt56.429.el7, kernel-rt-debug-3.10.0-514.6.1.rt56.429.el7, kernel-rt-debug-devel-3.10.0-514.6.1.rt56.429.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.6.1.rt56.429.el7, kernel-rt-debug-3.10.0-514.6.1.rt56.429.el7, kernel-rt-debug-devel-3.10.0-514.6.1.rt56.429.el7 +7
  • RHSA-2017:0086 Released 2017-01-17 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.6.1.el7, kernel-abi-whitelists-3.10.0-514.6.1.el7, kernel-debug-3.10.0-514.6.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.6.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.6.1.el7, kernel-abi-whitelists-3.10.0-514.6.1.el7, kernel-debug-3.10.0-514.6.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.6.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.6.1.el7, kernel-abi-whitelists-3.10.0-514.6.1.el7, kernel-bootwrapper-3.10.0-514.6.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.6.1.el7, kernel-tools-libs-devel-3.10.0-514.6.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.6.1.el7, kernel-abi-whitelists-3.10.0-514.6.1.el7, kernel-debug-3.10.0-514.6.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.6.1.el7
Show 1 more Red Hat advisories
  • RHSA-2017:0113 Released 2017-01-17 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-514.rt56.210.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.210.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.210.el6rt +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:0091
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2017:0307
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:0086
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:0091
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:0113

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9555
  2. 2026-10-03 Alias added: GHSA-x329-xh53-wmqc

References

Patch 2

Advisory 18

Other 1

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences