Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.8.11-1 | — |
| Debian 13 | linux | 4.8.11-1 | — |
| Debian 12 | linux | 4.8.11-1 | — |
| Debian 7 | linux | 3.2.84-1 | DLA-772-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +4 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-57.78 | USN-3161-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1038.45 | USN-3161-3 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1042.46 | USN-3161-4 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-108.155 | USN-3188-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-80.88~14.04.1 | — |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-57.78~14.04.1 | USN-3161-2 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-514.6.1.rt56.429.el7 | RHSA-2017:0091 |
| RHEL 7 | perf +18 | 3.10.0-514.6.1.el7 | RHSA-2017:0086 |
| RHEL 6 | perf +16 | 2.6.32-642.15.1.el6 | RHSA-2017:0307 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-514.rt56.210.el6rt | RHSA-2017:0113 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-docs | 4.4.21-84.3 | SUSE-SU-2016:3049-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.21-84.1 | SUSE-SU-2016:3049-1 |
| SLES 12 SP1 | kernel-docs | 3.12.67-60.64.21.3 | SUSE-SU-2016:3039-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.67-60.64.21.1 | SUSE-SU-2016:3039-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.60-52.60.1 | SUSE-SU-2016:3063-1, SUSE-SU-2016:3039-1 |
| SLES 12 | kgraft-patch-SLE12_Update_11 | 6-2.1 | SUSE-SU-2016:3119-1 |
| SLES 12 | kgraft-patch-SLE12_Update_12 +3 | 4-2.1 | SUSE-SU-2016:3197-1, SUSE-SU-2016:3113-1, SUSE-SU-2016:3112-1 |
| SLES 12 | kgraft-patch-SLE12_Update_16 | 2-2.1 | SUSE-SU-2016:3247-1 |
| SLES 12 | kgraft-patch-SLE12_Update_17 | 1-2.1 | SUSE-SU-2016:3063-1 |
| SLES 12 | kgraft-patch-SLE12_Update_9 +1 | 7-2.1 | SUSE-SU-2016:3249-1, SUSE-SU-2016:3111-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-94.2 | SUSE-SU-2017:0437-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-94.1 | SUSE-SU-2017:0437-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.96.1 | SUSE-SU-2017:0494-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP2 | kernel-ec2 +6 | 3.0.101-0.7.53.1 | SUSE-SU-2017:0333-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.21-84.1 | SUSE-SU-2016:3049-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.67-60.64.21.1 | SUSE-SU-2016:3039-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.60-52.60.1 | SUSE-SU-2016:3063-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_11 | 6-2.1 | SUSE-SU-2016:3119-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_12 +3 | 4-2.1 | SUSE-SU-2016:3197-1, SUSE-SU-2016:3113-1, SUSE-SU-2016:3112-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_16 | 2-2.1 | SUSE-SU-2016:3247-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_17 | 1-2.1 | SUSE-SU-2016:3063-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_9 +1 | 7-2.1 | SUSE-SU-2016:3249-1, SUSE-SU-2016:3111-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-94.1 | SUSE-SU-2017:0437-1 |
| SLE Real Time 12 SP1 | kernel-rt +5 | 3.12.69-60.30.1 | SUSE-SU-2017:0407-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-68.1 | SUSE-SU-2017:1102-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_0 | 8-23.2 | SUSE-SU-2016:3094-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_1 | 8-2.1 | SUSE-SU-2016:3100-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_2 | 7-2.1 | SUSE-SU-2016:3093-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_3 | 6-2.1 | SUSE-SU-2016:3098-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_4 +2 | 5-2.1 | SUSE-SU-2016:3117-1, SUSE-SU-2016:3104-1, SUSE-SU-2016:3096-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_7 | 4-2.1 | SUSE-SU-2016:3183-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_8 | 3-2.1 | SUSE-SU-2016:3116-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_9 +1 | 2-2.1 | SUSE-SU-2016:3206-1, SUSE-SU-2016:3205-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_0 | 2-5.1 | SUSE-SU-2016:3169-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_2 +1 | 1-2.1 | SUSE-SU-2016:3049-1, SUSE-SU-2016:3039-1 |
| SUSE OpenStack Cloud 5 | kernel-ec2 +6 | 3.0.101-0.47.96.1 | SUSE-SU-2017:0494-1 |
| SUSE Manager Proxy 2.1 | kernel-ec2 +6 | 3.0.101-0.47.96.1 | SUSE-SU-2017:0494-1 |
| SUSE Manager 2.1 | kernel-ec2 +6 | 3.0.101-0.47.96.1 | SUSE-SU-2017:0494-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.96.1 | SUSE-SU-2017:0494-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.15.1.el6uek | 0.4.5-3.el6 | ELSA-2016-3651 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.15.1.el7uek | 0.4.5-3.el7 | ELSA-2016-3651 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.22.el6uek | 0.5.3-2.el6 | ELSA-2016-3648 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.22.el7uek | 0.5.3-2.el7 | ELSA-2016-3648 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.15.1.el7uek | ELSA-2016-3651, ELSA-2016-3648 |
| Oracle Linux 7 | perf +11 | 3.10.0-514.6.1.el7 | ELSA-2017-0086 |
Advisories 42
- RHSA-2017:0307 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:0113 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:0091 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:0086 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3188-1 linux vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3161-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-772-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3161-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3161-3 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3161-4 linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:3249-1 Security update for Linux Kernel Live Patch 10 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3098-1 Security update for Linux Kernel Live Patch 3 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1102-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3119-1 Security update for Linux Kernel Live Patch 11 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3197-1 Security update for Linux Kernel Live Patch 15 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3093-1 Security update for Linux Kernel Live Patch 2 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0494-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3169-1 Security update for Linux Kernel Live Patch 0 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3117-1 Security update for Linux Kernel Live Patch 5 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3205-1 Security update for Linux Kernel Live Patch 9 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3206-1 Security update for Linux Kernel Live Patch 1 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3112-1 Security update for Linux Kernel Live Patch 12 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3104-1 Security update for Linux Kernel Live Patch 4 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0407-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0333-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3094-1 Security update for Linux Kernel Live Patch 0 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3247-1 Security update for Linux Kernel Live Patch 16 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3063-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3039-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3100-1 Security update for Linux Kernel Live Patch 1 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3049-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3111-1 Security update for Linux Kernel Live Patch 9 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3116-1 Security update for Linux Kernel Live Patch 8 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3183-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SP1 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:3096-1 Security update for Linux Kernel Live Patch 6 for SLE 12 SP1 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:3113-1 Security update for Linux Kernel Live Patch 14 for SLE 12 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:3109-1 Security update for Linux Kernel Live Patch 13 for SLE 12 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:0437-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2017-0086 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 17, 2017
- ELSA-2016-3651 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 9, 2016
- ELSA-2016-3648 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 7, 2016
References
- SUSE-SU-2016:3096 vendor-advisory
- https://bto.bluecoat.com/security-advisory/sa134
- SUSE-SU-2016:3206 vendor-advisory
- SUSE-SU-2016:3169 vendor-advisory
- 1037339 vdb-entry
- SUSE-SU-2016:3117 vendor-advisory
- SUSE-SU-2016:3197 vendor-advisory
- https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
- https://groups.google.com/forum/#%21topic/syzkaller/pAUcHsUJbjk
- RHSA-2017:0086 vendor-advisory
- RHSA-2017:0113 vendor-advisory
- RHSA-2017:0091 vendor-advisory
- 94479 vdb-entry
- SUSE-SU-2016:3247 vendor-advisory
- [oss-security] 20161122 CVE Request: Linux: net/sctp: slab-out-of-bounds in sctp_sf_ootb mailing-list
- SUSE-SU-2016:3183 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1397930
- SUSE-SU-2016:3116 vendor-advisory
- SUSE-SU-2016:3113 vendor-advisory
- RHSA-2017:0307 vendor-advisory
- SUSE-SU-2016:3205 vendor-advisory