CVE-2017-7184 Memory corruption in n/a

What is CVE-2017-7184?

CVE-2017-7184 is a high-severity memory corruption vulnerability in Linux kernel, published on 19 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2017-7184?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-7184?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-7184 being exploited?

There is no known exploitation of CVE-2017-7184 in the wild and no public exploit code.

Public exploit code: 3 proofs of concept on GitHub.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-7184, GHSA-hxjx-r7gc-4xhx, MGASA-2017-0097, MGASA-2017-0098, MGASA-2017-0099, SUSE-SU-2017:0867-1 and 27 more.