CVE-2023-4458

MEDIUM

4.0

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.14.0

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado11/14/2024

Ultima modificacao8/19/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

linux:linux_kernel

Fraquezas (CWE)

CWE-125

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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