CVE-2017-16994
Summary
| CVE | CVE-2017-16994 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-11-27 19:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 5.5 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.048000000 probability, percentile 0.895860000 (date 2026-05-14)
Problem Types: CWE-200 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 2.0 | [email protected] | Primary | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:L/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 1431 - Linux: mincore() discloses uninitialized kernel heap pages - project-zero - Monorail | af854a3a-2127-422b-91ae-364da2661108 | bugs.chromium.org | Exploit, Issue Tracking, Patch |
| mm/pagewalk.c: report holes in hugetlb ranges · torvalds/linux@373c455 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| USN-3617-2: Linux (HWE) vulnerabilities | Ubuntu security notices | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| USN-3619-1: Linux kernel vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| Linux Kernel 'mm/pagewalk.c' Local Information Disclosure Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| USN-3617-3: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| Linux Kernel - 'mincore()' Uninitialized Kernel Heap Page Disclosure - Linux dos Exploit | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | Exploit, Third Party Advisory, VDB Entry |
| www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2 | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Release Notes |
| USN-3617-1: Linux kernel vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| USN-3632-1: Linux kernel (Azure) vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.