#VU77498 Race condition in Linux kernel - CVE-2023-32254

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Main Vulnerability Database Vulnerabilities #VU77498

#VU77498 Race condition in Linux kernel - CVE-2023-32254

Published: June 19, 2023


Vulnerability identifier: #VU77498
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-32254
CWE-ID: CWE-362
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 execute arbitrary code on the system.

The vulnerability exists due to a race condition within fs/ksmbd/mgmt/tree_connect.c in ksmbd in Linux kernel when processing SMB2_TREE_DISCONNECT commands. A remote attacker can trigger a use-after-free error using concurrent smb2 tree disconnect requests and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links