CVE-2025-22041

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_sessions_deregister() In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa
https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153
https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1
https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8
https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b
https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd

Configurations

No configuration.

History

21 Apr 2025, 15:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8
Summary		(es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: corrección de use-after-free en ksmbd_sessions_deregister() En el modo multicanal, el problema de UAF puede ocurrir en session_deregister cuando el segundo canal configura una sesión a través de la conexión del primer canal. A la sesión que se libera a través de la tabla de sesiones global se puede acceder nuevamente a través de ->sessions de la conexión.
CWE		CWE-416

16 Apr 2025, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-16 15:15

Updated : 2025-04-21 15:15

NVD link : CVE-2025-22041

Mitre link : CVE-2025-22041

CVE.ORG link : CVE-2025-22041

JSON object : View

Products Affected

No product.

CWE

CWE-416

Use After Free

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