CVE-2017-16994 Information disclosure in n/a

What is CVE-2017-16994?

CVE-2017-16994 is a medium-severity vulnerability in Linux kernel, published on 27 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.

Weakness: CWE-200

Which versions are affected by CVE-2017-16994?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-16994?

Apply the vendor's patch.

Is CVE-2017-16994 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-16994 exists.

Public exploit code: 3 Exploit-DB entries and 1 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-2017-16994, GHSA-3h5j-qwmx-f9m6, UBUNTU-CVE-2017-16994.