CVE-2025-37899
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
20/05/2025
Last modified:
24/05/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
ksmbd: fix use-after-free in session logoff<br />
<br />
The sess->user object can currently be in use by another thread, for<br />
example if another connection has sent a session setup request to<br />
bind to the session being free&#39;d. The handler for that connection could<br />
be in the smb2_sess_setup function which makes use of sess->user.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43
- https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b
- https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f
- https://news.ycombinator.com/item?id=44081338
- https://sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-a-remote-zeroday-vulnerability-in-the-linux-kernels-smb-implementation/