CVE-2017-16994
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…
- 5.5MediumCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 3 Exploit-DB entries for it. A reference of the record is tagged as an exploit.
Show the exploits4
Exploit-DB3 entries
- Linux Kernel 4.13 (Debian 9) - Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 44303local, linuxpublished 11 Dec 2017Not verified
- Linux Kernel - 'mincore()' Heap Page Disclosure (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 44304dos, linuxpublished 11 Dec 2017Not verified
- Linux Kernel - 'mincore()' Uninitialized Kernel Heap Page Disclosure (Exploit-DB entry) (opens in a new tab)
EDB-ID 43178dos, linuxpublished 24 Nov 2017Verified
References tagged exploit1 reference
- 43178 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
n/a
- affected n/a
References
13
- USN-3617-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3619-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1431 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3617-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 43178 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3632-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=373c4557d2aa362702c4c2d41288fb1e54990b7c (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:0502 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3617-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://github.com/torvalds/linux/commit/373c4557d2aa362702c4c2d41288fb1e54990b7c (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3619-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 101969 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-8162 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-16994)Record last updated .