CVE-2023-4458

MEDIUM

4.0

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung4.0

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht11/14/2024

Zuletzt geandert8/19/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

linux:linux_kernel

Schwachen (CWE)

CWE-125

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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