CVE-2023-0122

Name: CVE-2023-0122
Creator: NVD / NIST
Published: 2023-01-17T21:15:14.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.28%

Last modified Jun 17, 2026

CVE-2023-0122 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A NULL pointer dereference vulnerability in the Linux kernel NVMe functionality, in nvmet_setup_auth(), allows an attacker to perform a Pre-Auth Denial of Service (DoS) attack on a remote machine. Affected versions v6.0-rc1 to v6.0-rc3, fixed in v6.0-rc4.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference vulnerability in the Linux kernel NVMe functionality, in nvmet_setup_auth(), allows an attacker to perform a Pre-Auth Denial of Service (DoS) attack on a remote machine. Affected versions v6.0-rc1 to v6.0-rc3, fixed in v6.0-rc4.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.28%

66.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	6.0	Rc1

References

http://www.openwall.com/lists/oss-security/2023/01/18/1Mailing List, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da0342a3aa0357795224e6283df86444e1117168Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230302-0002/
http://www.openwall.com/lists/oss-security/2023/01/18/1Mailing List, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da0342a3aa0357795224e6283df86444e1117168Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230302-0002/

Timeline

Published: Jan 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0122?

How severe is CVE-2023-0122?

CVE-2023-0122 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0122?

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-2023-0122?

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

Scan your code now

Source: NVD / NIST