CVE-2024-49988 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ksmbd: add refcnt to ksmbd_conn struct

When sending an oplock break request opinfo->conn is used But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5