CVEvulnerability
CVE-2025-37899
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-05-20
- Last modified
- 2026-07-30
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 5.15 < 6.12.28)
• linux linux kernel (>= 6.13 < 6.14.6)
• linux linux kernel 6.15
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43 Patch
- https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b Patch
- https://git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342 git.kernel.org
- https://git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca git.kernel.org
- https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f Patch
- https://news.ycombinator.com/item?id=44081338 Exploit, Issue Tracking, Third Party Advisory
- 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/ Exploit, Third Party Advisory