CVE-2023-32248CWE-476

Tree connection null pointer dereference denial-of-service vulnerability

High · published July 24, 2023

CVSS v3.1
7.5
EPSS
4%
Percentile
90.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.04060 · 90.6th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2023-07-24T15:19Z
EPSS history
Timeline
  • 24 JUL 15:19Z
    Tree connection null pointer dereference denial-of-service vulnerability
    cvelistv5