CVE-2023-32248

high

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

https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/

https://security.netapp.com/advisory/ntap-20230915-0006/

https://bugzilla.redhat.com/show_bug.cgi?id=2219818

https://access.redhat.com/security/cve/CVE-2023-32248

Details

Source: Mitre, NVD

Published: 2023-07-24

Updated: 2023-12-04

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High