vulnerability

Ubuntu: (Multiple Advisories) (CVE-2023-32258): Linux kernel vulnerabilities

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Severity

CVSS

(AV:N/AC:M/Au:N/C:C/I:C/A:C)

Published

Jul 24, 2023

Added

Sep 18, 2023

Modified

Mar 27, 2026

Description

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_LOGOFF and SMB2_CLOSE 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.

Solutions

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References

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

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