CVE-2023-4458

HighCVSS 7.5/10Last modified Oct 2, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 14, 2024
Last modified
Oct 2, 2026
NVD status
Analyzed

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CVE-2023-4458: High severity, CVSS 7.5 | Vulnix