CVE-2023-32257CWE-362

Session race condition remote code execution vulnerability

High · published July 24, 2023

CVSS v3.1
8.1
EPSS
2%
Percentile
83.7
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 processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02374 · 83.7th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2023-07-24T15:19Z
EPSS history
Timeline
  • 24 JUL 15:19Z
    Session race condition remote code execution vulnerability
    cvelistv5