Description
The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.
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 | 4.9.30-1 | — |
| Debian 13 | linux | 4.9.30-1 | — |
| Debian 12 | linux | 4.9.30-1 | — |
| Debian 8 | linux | 3.16.43-2+deb8u1 | DSA-3886-1 |
| Debian 7 | linux | 3.2.89-1 | DLA-993-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-gcp-6.11 +4 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-83.106 | USN-3344-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1022.31 | USN-3344-1 |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1018.18 | USN-3344-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.10.0-32.36~16.04.1 | USN-3342-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1061.69 | USN-3344-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1063.68 | USN-3344-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-123.172 | USN-3343-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-83.106~14.04.1 | USN-3344-2 |
| 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 | 3.10.0-693.rt56.617.el7 | RHSA-2017:2077 |
| RHEL 7 | perf +17 | 3.10.0-693.el7 | RHSA-2017:1842 |
| RHEL 6 | perf +16 | 2.6.32-754.el6 | RHSA-2018:1854 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.2.1.rt56.585.el6rt | RHSA-2017:2669 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-docs | 4.4.74-92.29.3 | SUSE-SU-2017:1853-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_10 | 8-2.1 | SUSE-SU-2017:2072-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_11 | 7-2.1 | SUSE-SU-2017:2073-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_12 | 6-2.1 | SUSE-SU-2017:2049-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_13 | 5-2.1 | SUSE-SU-2017:2092-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_14 | 4-2.1 | SUSE-SU-2017:2091-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 3-2.1 | SUSE-SU-2017:2094-1, SUSE-SU-2017:2090-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 +3 | 2-2.1 | SUSE-SU-2017:2448-1, SUSE-SU-2017:2447-1, SUSE-SU-2017:2446-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 2-4.1 | SUSE-SU-2017:2791-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_7 +1 | 10-2.1 | SUSE-SU-2017:2088-1, SUSE-SU-2017:2060-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_9 | 9-2.1 | SUSE-SU-2017:2061-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.101.1 | SUSE-SU-2017:2920-1, SUSE-SU-2017:2908-1 |
| SLES 12 | kgraft-patch-SLE12_Update_28 | 1-8.1 | SUSE-SU-2017:2920-1 |
| SLES 11 SP4 | cluster-network | 1.4-2.32.2.14 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | drbd | 8.4.4-0.27.2.1 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | drbd-kmp | 8.4.4-0.27.2.13 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | gfs2 | 2-0.24.2.14 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-108.7.2 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.7.1 | SUSE-SU-2017:2389-1 |
| SLES 11 SP4 | ocfs2 | 1.6-0.28.3.4 | SUSE-SU-2017:2389-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.106.5.1 | SUSE-SU-2017:2525-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_10 | 8-2.1 | SUSE-SU-2017:2072-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_11 | 7-2.1 | SUSE-SU-2017:2073-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_12 | 6-2.1 | SUSE-SU-2017:2049-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_13 | 5-2.1 | SUSE-SU-2017:2092-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_14 | 4-2.1 | SUSE-SU-2017:2091-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 3-2.1 | SUSE-SU-2017:2094-1, SUSE-SU-2017:2090-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 +3 | 2-2.1 | SUSE-SU-2017:2448-1, SUSE-SU-2017:2447-1, SUSE-SU-2017:2446-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 2-4.1 | SUSE-SU-2017:2791-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_7 +1 | 10-2.1 | SUSE-SU-2017:2088-1, SUSE-SU-2017:2060-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_9 | 9-2.1 | SUSE-SU-2017:2061-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-108.7.1 | SUSE-SU-2017:2389-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.74-7.10.1 | SUSE-SU-2017:1990-1 |
| SLE Real Time 11 SP4 | cluster-network | 1.4-2.32.2.14 | SUSE-SU-2017:2389-1 |
| SLE Real Time 11 SP4 | drbd-kmp | 8.4.4-0.27.2.13 | SUSE-SU-2017:2389-1 |
| SLE Real Time 11 SP4 | gfs2 | 2-0.24.2.14 | SUSE-SU-2017:2389-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-69.5.1 | SUSE-SU-2017:2342-1 |
| SLE Real Time 11 SP4 | ocfs2 | 1.6-0.28.3.4 | SUSE-SU-2017:2389-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_0 | 8-18.7.1 | SUSE-SU-2017:2062-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_1 | 8-2.1 | SUSE-SU-2017:2067-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_10 | 1-4.1 | SUSE-SU-2017:1853-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_2 +2 | 7-2.1 | SUSE-SU-2017:2068-1, SUSE-SU-2017:2065-1, SUSE-SU-2017:2043-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_5 | 5-2.1 | SUSE-SU-2017:2063-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_6 | 4-2.1 | SUSE-SU-2017:2070-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_7 +1 | 3-2.1 | SUSE-SU-2017:2064-1, SUSE-SU-2017:2046-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_9 | 2-2.1 | SUSE-SU-2017:2066-1 |
| SUSE OpenStack Cloud 6 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SUSE OpenStack Cloud 6 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.106.5.1 | SUSE-SU-2017:2525-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.18.3.el6uek | 0.4.5-3.el6 | ELSA-2017-3575 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.18.3.el7uek | 0.4.5-3.el7 | ELSA-2017-3575 |
| Oracle Linux 7 | dtrace-modules-4.1.12-94.3.5.el6uek | 0.6.0-4.el6 | ELSA-2017-3574 |
| Oracle Linux 7 | dtrace-modules-4.1.12-94.3.5.el7uek | 0.6.0-4.el7 | ELSA-2017-3574 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.18.3.el7uek | ELSA-2017-3575, ELSA-2017-3574 |
| Oracle Linux 7 | perf +11 | 3.10.0-693.el7 | ELSA-2017-1842 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 4 repositories
-
thinkycx/CVE-2017-8890 ★ 36 · Jul 2, 2018
-
beraphin/CVE-2017-8890 ★ 22 · Jul 9, 2017
None
-
sweatyrocket/huawei-p10-cve-2017-8890-unlock ★ 0 · Jul 30, 2026
Huawei P10 VTR-L29C432B151 CVE-2017-8890 exploit research and bootloader-unlock journey
-
7043mcgeep/cve-2017-8890-msf ★ 0 · May 3, 2019
For Metasploit pull request
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 45
- RHSA-2018:1854 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2669 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2077 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1842 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3343-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3344-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-993-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3886-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3342-2 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3344-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:2063-1 Security update for Linux Kernel Live Patch 5 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2389-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2073-1 Security update for Linux Kernel Live Patch 11 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2791-1 Security update for Linux Kernel Live Patch 21 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2525-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2062-1 Security update for Linux Kernel Live Patch 0 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1853-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2092-1 Security update for Linux Kernel Live Patch 13 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2060-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2068-1 Security update for Linux Kernel Live Patch 2 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2061-1 Security update for Linux Kernel Live Patch 9 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2446-1 Security update for Linux Kernel Live Patch 19 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2064-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2088-1 Security update for Linux Kernel Live Patch 8 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2072-1 Security update for Linux Kernel Live Patch 10 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2066-1 Security update for Linux Kernel Live Patch 9 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2908-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2065-1 Security update for Linux Kernel Live Patch 4 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2920-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2046-1 Security update for Linux Kernel Live Patch 8 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2089-1 Security update for Linux Kernel Live Patch 17 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2448-1 Security update for Linux Kernel Live Patch 20 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2049-1 Security update for Linux Kernel Live Patch 12 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2091-1 Security update for Linux Kernel Live Patch 14 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2090-1 Security update for Linux Kernel Live Patch 16 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2043-1 Security update for Linux Kernel Live Patch 3 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2094-1 Security update for Linux Kernel Live Patch 15 for SLE 12 SP1 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2070-1 Security update for Linux Kernel Live Patch 6 for SLE 12 SP2 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2067-1 Security update for Linux Kernel Live Patch 1 for SLE 12 SP2 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2447-1 Security update for Linux Kernel Live Patch 18 for SLE 12 SP1 SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:1990-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2342-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2017-1842 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
- ELSA-2017-3574 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 25, 2017
- ELSA-2017-3575 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 25, 2017
References
- 98562 vdb-entry
- https://source.android.com/security/bulletin/2017-09-01
- RHSA-2017:2669 vendor-advisory
- RHSA-2018:1854 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=657831ffc38e30092a2d5f03d385d710eb88b09a
- https://github.com/torvalds/linux/commit/657831ffc38e30092a2d5f03d385d710eb88b09a
- RHSA-2017:2077 vendor-advisory
- DSA-3886 vendor-advisory
- RHSA-2017:1842 vendor-advisory