CVE-2018-11508

5.5 MEDIUM 2% exploit odds Fix listed

What it is

The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitive information from kernel memory via adjtimex.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure.
Exploit odds: 1.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-05-28 13:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:36 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.7% in the next 30 days (EPSS).
Severity: 5.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-05-28 13:29 UTC
Last modified: 2026-06-17 01:36 UTC
Exploit probability: 1.7% · EPSS, next 30 days
Weakness: CWE-200 · Information exposure
Record status: Modified

Affected

Linux Kernel < 4.16.9
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 17.10
Canonical Ubuntu Linux 18.04

Attack profile CVSS 3.0 · 5.5

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-11508.md and follow it. Check whether this project is affected by CVE-2018-11508. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record