#VU109500 Use-after-free in Linux kernel - CVE-2025-37899

 

#VU109500 Use-after-free in Linux kernel - CVE-2025-37899

Published: May 20, 2025 / Updated: May 23, 2025


Vulnerability identifier: #VU109500
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-37899
CWE-ID: CWE-416
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 compromise the affected system.

The vulnerability exists due to a use-after-free error within the smb2_session_logoff() function in fs/smb/server/smb2pdu.c. A remote attacker can send specially crafted data to the SMB client during session logoff and compromise the affected system.


Remediation

Install update from vendor's website.

External links