CVE-2025-37899
CVE-2025-37899
7.8
HighPublished:
Last updated:
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Modified
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Local
- Attack Complexity
- Low
- Privileges Required
- Low
- User Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2_sess_setup function which makes use of sess->user.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7faf854a3a-2127-422b-91ae-364da2661108
https://news.ycombinator.com/item?id=44081338af854a3a-2127-422b-91ae-364da2661108
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/