Description
The xfrm_replay_verify_len function in net/xfrm/xfrm_user.c in the Linux kernel through 4.10.6 does not validate certain size data after an XFRM_MSG_NEWAE update, which allows local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) by leveraging the CAP_NET_ADMIN capability, as demonstrated during a Pwn2Own competition at CanSecWest 2017 for the Ubuntu 16.10 linux-image-* package 4.8.0.41.52.
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 | 4.9.18-1 | — |
| Debian 13 | linux | 4.9.18-1 | — |
| Debian 12 | linux | 4.9.18-1 | — |
| Debian 7 | linux | 3.2.88-1 | DLA-922-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-71.92 | USN-3249-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1012.21 | USN-3249-1 |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1009.9 | USN-3249-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.8.0-45.48~16.04.1 | USN-3251-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1051.58 | USN-3249-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1054.58 | USN-3249-1 |
| Ubuntu 14.04 LTS | linux | 3.13.0-115.162 | USN-3250-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-71.92~14.04.1 | USN-3249-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-693.5.2.rt56.626.el7 | RHSA-2017:2931 |
| RHEL 7 | perf +18 | 3.10.0-693.5.2.el7 | RHSA-2017:2930 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.3 TUS | perf +12 | 3.10.0-514.71.1.el7 | RHSA-2019:4159 |
| RHEL 7.3 E4S | perf +14 | 3.10.0-514.71.1.el7 | RHSA-2019:4159 |
| RHEL 7.3 AUS | perf +12 | 3.10.0-514.71.1.el7 | RHSA-2019:4159 |
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.5.2.rt56.592.el6rt | RHSA-2017:2918 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-docs | 4.4.49-92.14.3 | SUSE-SU-2017:0864-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.49-92.14.1 | SUSE-SU-2017:0864-1 |
| SLES 12 SP1 | kernel-docs | 3.12.69-60.64.35.3 | SUSE-SU-2017:0865-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.69-60.64.35.1 | SUSE-SU-2017:0865-1 |
| SLES 12 | kernel-ec2 +3 | 3.12.61-52.69.2 | SUSE-SU-2017:0866-1, SUSE-SU-2017:0865-1 |
| SLES 12 | kernel-syms | 3.12.61-52.69.1 | SUSE-SU-2017:0866-1 |
| SLES 12 | kgraft-patch-SLE12_Update_13 +2 | 8-2.1 | SUSE-SU-2017:0881-1, SUSE-SU-2017:0880-1, SUSE-SU-2017:0873-1 |
| SLES 12 | kgraft-patch-SLE12_Update_16 | 5-2.1 | SUSE-SU-2017:0889-1 |
| SLES 12 | kgraft-patch-SLE12_Update_17 +1 | 4-2.1 | SUSE-SU-2017:0888-1, SUSE-SU-2017:0876-1 |
| SLES 12 | kgraft-patch-SLE12_Update_19 | 3-2.1 | SUSE-SU-2017:0875-1 |
| SLES 12 | kgraft-patch-SLE12_Update_20 | 1-2.3 | SUSE-SU-2017:0866-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-100.2 | SUSE-SU-2017:1301-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-100.1 | SUSE-SU-2017:1301-1 |
| 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 | 4.4.49-92.14.1 | SUSE-SU-2017:0864-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.69-60.64.35.1 | SUSE-SU-2017:0865-1 |
| SLES for SAP 12 | kernel-syms | 3.12.61-52.69.1 | SUSE-SU-2017:0866-1 |
| SLES for SAP 12 | kernel-xen +2 | 3.12.61-52.69.2 | SUSE-SU-2017:0866-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_13 +2 | 8-2.1 | SUSE-SU-2017:0881-1, SUSE-SU-2017:0880-1, SUSE-SU-2017:0873-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_16 | 5-2.1 | SUSE-SU-2017:0889-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_17 +1 | 4-2.1 | SUSE-SU-2017:0888-1, SUSE-SU-2017:0876-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_19 | 3-2.1 | SUSE-SU-2017:0875-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_20 | 1-2.3 | SUSE-SU-2017:0866-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-100.1 | SUSE-SU-2017:1301-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.74-7.10.1 | SUSE-SU-2017:1990-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-69.5.1 | SUSE-SU-2017:2342-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_12 | 3-2.1 | SUSE-SU-2017:0871-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_4 +2 | 9-2.1 | SUSE-SU-2017:0882-1, SUSE-SU-2017:0877-1, SUSE-SU-2017:0874-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_7 | 8-2.1 | SUSE-SU-2017:0883-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_8 | 7-2.1 | SUSE-SU-2017:0879-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_9 | 6-2.1 | SUSE-SU-2017:0887-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_0 | 5-14.2 | SUSE-SU-2017:0870-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_1 +1 | 5-2.1 | SUSE-SU-2017:0868-1, SUSE-SU-2017:0867-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_2 +3 | 4-2.1 | SUSE-SU-2017:0886-1, SUSE-SU-2017:0884-1, SUSE-SU-2017:0878-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_5 +1 | 2-2.1 | SUSE-SU-2017:0885-1, SUSE-SU-2017:0872-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_6 +1 | 1-2.1 | SUSE-SU-2017:0865-1, SUSE-SU-2017:0864-1 |
| 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-3.8.13-118.18.2.el6uek | 0.4.5-3.el6 | ELSA-2017-3566 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.18.2.el7uek | 0.4.5-3.el7 | ELSA-2017-3566 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.34.el6uek | 0.5.3-2.el6 | ELSA-2017-3539 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.34.el7uek | 0.5.3-2.el7 | ELSA-2017-3539 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.18.2.el7uek | ELSA-2017-3566, ELSA-2017-3539 |
| Oracle Linux 7 | perf +11 | 3.10.0-693.5.2.el7 | ELSA-2017-2930 |
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 3 repositories
-
shakyanayann/CVE-2017-7184 ★ 0 · Mar 5, 2026
-
Grish-Pradhan/CVE-2017-7184 ★ 0 · Feb 2, 2026
-
b1nhack/CVE-2017-7184 ★ 0 · May 16, 2025
CVE-2017-7184 exp
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 43
- RHSA-2017:2931 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2918 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2930 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:4159 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3249-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3250-1 linux vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-922-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3249-2 linux-lts-xenial vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3251-2 linux-hwe vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:0871-1 Security update for Linux Kernel Live Patch 12 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0873-1 Security update for Linux Kernel Live Patch 13 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0877-1 Security update for Linux Kernel Live Patch 6 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-2017:0886-1 Security update for Linux Kernel Live Patch 11 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0874-1 Security update for Linux Kernel Live Patch 4 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0864-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0884-1 Security update for Linux Kernel Live Patch 4 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0867-1 Security update for Linux Kernel Live Patch 1 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0866-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0869-1 Security update for Linux Kernel Live Patch 2 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0885-1 Security update for Linux Kernel Live Patch 5 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0882-1 Security update for Linux Kernel Live Patch 5 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0888-1 Security update for Linux Kernel Live Patch 18 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0876-1 Security update for Linux Kernel Live Patch 17 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0868-1 Security update for Linux Kernel Live Patch 10 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0881-1 Security update for Linux Kernel Live Patch 14 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0880-1 Security update for Linux Kernel Live Patch 15 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0865-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0883-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0875-1 Security update for Linux Kernel Live Patch 19 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0878-1 Security update for Linux Kernel Live Patch 3 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0879-1 Security update for Linux Kernel Live Patch 8 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0870-1 Security update for Linux Kernel Live Patch 0 for SLE 12 SP2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1301-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0872-1 Security update for Linux Kernel Live Patch 13 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0889-1 Security update for Linux Kernel Live Patch 16 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0887-1 Security update for Linux Kernel Live Patch 9 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
- ICSA-21-280-02 Mobile Industrial Robots Vehicles and MiR Fleet Software CISA ICS & IT advisories · Oct 7, 2021
- ELSA-2017-2930 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 19, 2017
- ELSA-2017-3566 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 16, 2017
- ELSA-2017-3539 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 13, 2017
References
- https://blog.trendmicro.com/results-pwn2own-2017-day-one/
- RHSA-2017:2918 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a
- RHSA-2017:2931 vendor-advisory
- 97018 vdb-entry
- https://source.android.com/security/bulletin/2017-05-01
- 1038166 vdb-entry
- https://github.com/torvalds/linux/commit/f843ee6dd019bcece3e74e76ad9df0155655d0df
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df
- http://www.eweek.com/security/ubuntu-linux-falls-on-day-1-of-pwn2own-hacking-competition
- https://github.com/torvalds/linux/commit/677e806da4d916052585301785d847c3b3e6186a
- https://twitter.com/thezdi/status/842126074435665920
- http://openwall.com/lists/oss-security/2017/03/29/2
- RHSA-2017:2930 vendor-advisory
- RHSA-2019:4159 vendor-advisory