#VU113700 Deadlock in Linux kernel - CVE-2023-32253

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Main Vulnerability Database Vulnerabilities #VU113700

#VU113700 Deadlock in Linux kernel - CVE-2023-32253

Published: August 6, 2025


Vulnerability identifier: #VU113700
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-32253
CWE-ID: CWE-833
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the ksmbd_find_crypto_ctx() function of the ksmbd component when handling SMB2_SESSION_SETUP commands. A remote attacker can send specially crafted data to the ksmbd daemon and perform a denial of service attack.


Remediation

Install updates from vendor's website.

External links