CVE-2023-2176

Name: CVE-2023-2176
Creator: NVD / NIST
Published: 2023-04-20T21:15:08.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-2176 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.24%

15.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 6.0, < 6.1.81
Linux	Linux Kernel	>= 6.2, < 6.3

References

https://security.netapp.com/advisory/ntap-20230609-0005/Third Party Advisory
https://www.spinics.net/lists/linux-rdma/msg114749.htmlMailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230609-0005/Third Party Advisory
https://www.spinics.net/lists/linux-rdma/msg114749.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Apr 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2176?

How severe is CVE-2023-2176?

CVE-2023-2176 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2176?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2176?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST