Description
Linux kernel before version 4.16-rc7 is vulnerable to a null pointer dereference in dccp_write_xmit() function in net/dccp/output.c in that allows a local user to cause a denial of service by a number of certain crafted system calls.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | kernel 4.16-rc7 | — |
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 | 4.15.17-1 | — |
| Debian 13 | linux | 4.15.17-1 | — |
| Debian 12 | linux | 4.15.17-1 | — |
| Debian 8 | linux | 3.16.57-1 | DLA-1422-1 |
| Debian 8 | linux-4.9 | 4.9.110-1~deb8u1 | DLA-1423-1 |
| Debian 7 | linux | 3.2.102-1 | DLA-1392-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-127.153 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1060.69 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1013.13~16.04.2 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1014.14~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-24.26~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1026.31 | USN-3654-1 |
| Ubuntu 16.04 LTS | linux-oem | 4.13.0-1031.35 | USN-3697-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1090.98 | USN-3656-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1093.98 | USN-3656-1 |
| Ubuntu 14.04 LTS | linux | 3.13.0-153.203 | USN-3698-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1022.22 | USN-3654-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-127.153~14.04.1 | USN-3654-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-957.rt56.910.el7 | RHSA-2018:3096 |
| RHEL 7 | perf +18 | 3.10.0-957.el7 | RHSA-2018:3083 |
| RHEL 6 | perf +16 | 2.6.32-754.el6 | RHSA-2018:1854 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | kernel-docs +6 | 4.12.14-25.3.1 | SUSE-SU-2018:2092-1 |
| SLES 12 SP3 | kernel-docs +4 | 4.4.131-94.29.1 | SUSE-SU-2018:1366-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.85.1 | SUSE-SU-2018:1855-2, SUSE-SU-2018:1855-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_23 | 1-3.5.1 | SUSE-SU-2018:1855-2, SUSE-SU-2018:1855-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.96.1 | SUSE-SU-2018:1761-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_29 | 1-2.3.1 | SUSE-SU-2018:1761-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.136.1 | SUSE-SU-2018:1762-1, SUSE-SU-2018:1761-1 |
| SLES 12 | kgraft-patch-SLE12_Update_36 | 1-1.3.1 | SUSE-SU-2018:1762-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kernel-ec2 +9 | 3.0.101-108.68.1 | SUSE-SU-2018:2332-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.106.43.1 | SUSE-SU-2018:2366-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.131-94.29.1 | SUSE-SU-2018:1366-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.85.1 | SUSE-SU-2018:1855-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_23 | 1-3.5.1 | SUSE-SU-2018:1855-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.96.1 | SUSE-SU-2018:1761-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_29 | 1-2.3.1 | SUSE-SU-2018:1761-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-108.68.1 | SUSE-SU-2018:2332-1 |
| SLE Real Time 12 SP3 | kernel-rt +3 | 4.4.138-3.14.1 | SUSE-SU-2018:1816-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-69.33.1 | SUSE-SU-2018:2637-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-25.3.1 | SUSE-SU-2018:2092-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_1 | 1-1.3.1 | SUSE-SU-2018:2092-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_12 | 1-4.5.2 | SUSE-SU-2018:1366-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.85.1 | SUSE-SU-2018:1855-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_23 | 1-3.5.1 | SUSE-SU-2018:1855-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.106.43.1 | SUSE-SU-2018:2366-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.85.1 | SUSE-SU-2018:1855-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_23 | 1-3.5.1 | SUSE-SU-2018:1855-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.22.1.el6uek | 0.4.5-3.el6 | ELSA-2018-4164 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.22.1.el7uek | 0.4.5-3.el7 | ELSA-2018-4164 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.22.1.el7uek | ELSA-2018-4164, ELSA-2018-4161 |
| Oracle Linux 7 | perf +12 | 3.10.0-957.el7 | ELSA-2018-3083 |
Advisories 24
- RHSA-2018:3083 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- RHSA-2018:3096 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 8, 2026
- RHSA-2018:1854 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3654-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3654-1 linux, linux-aws, linux-kvm, vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3698-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1392-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1422-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1423-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3697-2 linux-oem vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3656-1 linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:1855-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1366-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2092-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1762-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2366-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1855-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2332-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1816-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2018:1761-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2018:2637-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2018-3083 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 5, 2018
- ELSA-2018-4161 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 10, 2018
- ELSA-2018-4164 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 10, 2018
References
- RHSA-2018:3083 vendor-advisory
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update mailing-list
- USN-3654-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1130
- https://syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update mailing-list
- [debian-lts-announce] 20180601 [SECURITY] [DLA 1392-1] linux security update mailing-list
- RHSA-2018:1854 vendor-advisory
- USN-3697-1 vendor-advisory
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package mailing-list
- USN-3697-2 vendor-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f93df79aeefc3add4e4b31a752600f834236e2
- USN-3654-2 vendor-advisory
- USN-3698-1 vendor-advisory
- USN-3656-1 vendor-advisory
- RHSA-2018:3096 vendor-advisory
- [linux-netdev] 20180306 [PATCH net] dccp: check sk for closed state in dccp_sendmsg() mailing-list
- USN-3698-2 vendor-advisory