5.5

CVE-2017-16994: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2017-16994DEBIAN-CVE-2017-16994
Published 27-11-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-16994 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.5% of scored vulnerabilities. 4 public exploits are recorded.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
2.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits4reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 14 · Related 7
MGASA-2017-0463MGASA-2017-0466MGASA-2017-0467MGASA-2018-0062MGASA-2018-0063MGASA-2018-0064

Timeline

  1. 27-11-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.08% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (bugs.chromium.org)

    Maturity: unknown

  • exploit-databasedoslinuxUnverified

    Linux Kernel - 'mincore()' Heap Page Disclosure (PoC)

    Maturity: poc

  • exploit-databasedoslinuxVerified

    Linux Kernel - 'mincore()' Uninitialized Kernel Heap Page Disclosure

    Maturity: poc

Show all 4 exploits
  • exploit-databaselocallinuxUnverified

    Linux Kernel 4.13 (Debian 9) - Local Privilege Escalation

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu17 products
  • linux< 4.4.0-119.143
  • linux-aws< 4.4.0-1016.16 | < 4.4.0-1054.63
  • linux-azure< 4.13.0-1014.17
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-fips< 4.4.0-1006.6
Debian1 product
  • linux< 4.14.2-1
Linux1 product

3 vendors · 19 products

References

22 links
Show all 22 references