CVE-2023-32248

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

24/07/2023

Last modified:

04/12/2023

Description

A flaw was found in the Linux kernel&#39;s ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Impact

Vector 3.x

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.111 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.28 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.2.15 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.3 (including)	6.3.2 (excluding)
cpe:2.3:h:netapp:h300s:-:::::::*
cpe:2.3:h:netapp:h410c:-:::::::*
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-2023-32248

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools