What is CVE-2018-5995?

CVE-2018-5995 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-08-07.

How severe is CVE-2018-5995?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Linux Kernel

CVE-2018-5995

The pcpu_embed_first_chunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "pages/cpu" printk call.

Vulnerability class: Information Disclosure

Published 2018-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linux Kernel

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/105049 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-5995.md (Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/05/msg00041.html (mailing-list)
lists.debian.org/debian-lts-announce/2019/05/msg00042.html (mailing-list)
seclists.org/bugtraq/2019/Aug/18 (mailing-list)
www.debian.org/security/2019/dsa-4497 (vendor-advisory)
lists.debian.org/debian-lts-announce/2019/08/msg00017.html (mailing-list)

Frequently asked questions

What is CVE-2018-5995?: CVE-2018-5995 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-08-07.
How severe is CVE-2018-5995?: Medium severity. CVSS v3 base score is 5.5 out of 10.