What is CVE-2025-23243?

CVE-2025-23243 is a medium-severity vulnerability in Linux Kernel, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-03-11.

How severe is CVE-2025-23243?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Linux Kernel

CVE-2025-23243

NVIDIA Riva contains a vulnerability where a user could cause an improper access control issue. A successful exploit of this vulnerability might lead to data tampering or denial of service.

Published 2025-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.021 · change: +0.000

Affected products

Linux Kernel
NVIDIA Riva — versions All versions up to and including 2.18.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

nvidia.custhelp.com/app/answers/detail/a_id/5625 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-23243?: CVE-2025-23243 is a medium-severity vulnerability in Linux Kernel, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-03-11.
How severe is CVE-2025-23243?: Medium severity. CVSS v3 base score is 6.5 out of 10.