CVE-2023-4458

MEDIUM

4.0

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.

Details CVE

Score CVSS v3.14.0

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie11/14/2024

Derniere modification8/19/2025

Sourcenvd

Observations honeypot0

Produits affectes

linux:linux_kernel

Faiblesses (CWE)

CWE-125

References

https://access.redhat.com/security/cve/CVE-2023-4458(patrick@puiterwijk.org)

https://bugzilla.redhat.com/show_bug.cgi?id=2325516(patrick@puiterwijk.org)

https://www.zerodayinitiative.com/advisories/ZDI-24-590/(patrick@puiterwijk.org)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.