CVE-2025-37899

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinux Kernel
PublishedMay 20, 2025
First seenMay 20, 2025

How to fix

Update
  • linux linux_kernel6.12.28, 6.14.6 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 6.12.28, 6.13 ≤ v < 6.14.6, 6.156.12.28, 6.14.6

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