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 products
linux: linux kernel
References7
- git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43 Patch
- git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b Patch
- git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f Patch
- news.ycombinator.com/item?id=44081338 ExploitIssue TrackingThird Party Advisory
- sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-… ExploitThird Party Advisory
- git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342
- git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 59 · as of 7 November 2026
- CWE
- CWE-416
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