AUGUST 4, 2026
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Case File

CVE-2023-4458

MEDIUM · CVSS 4 EPSS 0.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-11-14 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.0. It affects Linux.

CVE
CVE-2023-4458
Severity
MEDIUM
CVSS
4
EPSS
0.83%
Linux

Original NVD Description

A flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.

Related CVEs

Other vulnerabilities affecting the same vendor(s)