AIX 7.x NFS KERNEL EXT DoS via local exploit
CVE-2023-45173 Published on January 11, 2024

IBM AIX denial of service
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the NFS kernel extension to cause a denial of service. IBM X-Force ID: 267971.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2023-45173 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2023-45173

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Affected Versions

IBM AIX Version 7.2, 7.3, VIOS 3.1 is affected by CVE-2023-45173

Exploit Probability

EPSS
0.03%
Percentile
6.70%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.