CVE & CISA-KEV Catalog

CVE-2023-4130

MEDIUM
5.5
CVSS v3
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea() There are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request from client. ksmbd find next smb2_ea_info using ->NextEntryOffset of current smb2_ea_info. ksmbd need to validate buffer length Before accessing the next ea. ksmbd should check buffer length using buf_len, not next variable. next is the start offset of current ea that got from previous ea.

How to fix

Remediation Available
linuxDebian
Fixed in:6.1.52-1CVE-2023-4130
Fixed in:6.4.11-1CVE-2023-4130
Fixed in:6.4.11-1CVE-2023-4130

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.22%probability of exploitation in 30 days
13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Embed a live status badge for CVE-2023-4130
CVE-2023-4130 severity badge

Markdown

[![CVE-2023-4130](https://tridentstack.com/cve/badge/CVE-2023-4130.svg)](https://tridentstack.com/cve/CVE-2023-4130)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-4130"><img src="https://tridentstack.com/cve/badge/CVE-2023-4130.svg" alt="CVE-2023-4130"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-18.