An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380.

published 2023-09-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44815

cvss: 2.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-26)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.0	CVSS:3.1/AC:L/AV:L/A:L/C:N/I:N/PR:H/S:U/UI:R
CNA	3.1	2.0	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
NVD	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

References

semiconductor.samsung.com /support/quality-support/product-security-updates/
vendor-advisory

Sources

CVE List CVE-2023-40218
NVD CVE-2023-40218

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary