CVE-2023-32248

HIGH

Linux Kernel >=5.15 <5.15.111 - Denial of Service via SMB2_TREE_CONNECT and SMB2_QUERY_INFO Commands

Title source: llm
STIX 2.1

Description

A flaw was found in the Linux kernel'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.

References (4)

Core 4
Core References
Patch, Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-32248
Issue Tracking, Patch, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2219818

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 29.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (6)
linux/linux_kernel 5.15 - 5.15.111
netapp/h300s
netapp/h410c
netapp/h410s
netapp/h500s
netapp/h700s
Published Jul 24, 2023
Tracked Since Feb 18, 2026