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.

CVE Details

CVSS v3.1 Score4.0

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published11/14/2024

Last Modified8/19/2025

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernel

Weaknesses (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)

IOC Correlations

No correlations recorded

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