CVE-2023-4130

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

16/08/2025

Last modified:

18/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.127 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.46 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.4.11 (excluding)
cpe:2.3:o:linux:linux_kernel:6.5:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.5:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.5:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.5:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.5:rc5::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-4130

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools