EUVD-2025-201570

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2sesssetup Reference count of ksmbdsession will leak when session need reconnect. Fix this by adding the missing ksmbdusersessionput...

CVE-2025-40285 smb/server: fix possible refcount leak in smb2_sess_setup()

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2sesssetup Reference count of ksmbdsession will leak when session need reconnect. Fix this by adding the missing ksmbdusersessionput...

Linux Kernel ksmbd smb2_sess_setup Preauth_HashValue Race Condition Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the PreauthHashValue field. The issue results from the lack of proper locking...

The vulnerability of the smb2_sess_setup function in the fs/smb/server/smb2pdu.c module of the ksmbd component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the smb2sesssetup function in the fs/smb/server/smb2pdu.c module of the ksmbd component in the Linux operating system lies in the possibility of exploiting memory after it is freed. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...