CVE-2023-38431

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

18/07/2023

Last modified:

18/06/2024

Description

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header&#39;s length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.

Impact

Vector 3.x

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

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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

Base Score 3.x

9.10

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.145 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.34 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.3.8 (excluding)
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
cpe:2.3:h:netapp:h300s:-:::::::*
cpe:2.3:h:netapp:h410s:-:::::::*
cpe:2.3:h:netapp:h500s:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*

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

CVE-2023-38431

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools