CVE-2023-40218

2.0 LOW 0.2% exploit odds Fix listed

What it is

An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application.

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account, but needs a user to act. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-09-12 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:16 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 2.0 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-09-12 15:15 UTC
Last modified: 2026-06-17 06:16 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-190 · Integer overflow
Record status: Modified

Affected

Samsung Exynos 9820 Firmware
Samsung Exynos 980 Firmware
Samsung Exynos 2100 Firmware
Samsung Exynos 2200 Firmware
Samsung Exynos 1280 Firmware
Samsung Exynos 1380 Firmware

Attack profile CVSS 3.1 · 2.0

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

Raw vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L

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-2023-40218.md and follow it. Check whether this project is affected by CVE-2023-40218. 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