CVE-2023-0122
Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 17 Jan 2023, 00:00
Last modified:04 Apr 2025, 18:50
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.17% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Jan 2023, 00:00
Published
Vulnerability first disclosed
04 Apr 2025, 18:50
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.17%• Percentile: 38%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
6.0:rc1 | 6.0:rc2 | 6.0:rc3