CVE-2025-37924
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user. However, it is possible another thread could be operating on the session and make use of sess->user after it has been passed to ksmbd_free_user but before sess->user is set to NULL.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedMay 20, 2025
First seenMay 20, 2025
How to fix
Update
- linux linux_kernel6.1.138, 6.6.90, 6.12.28, 6.14.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15 ≤ v < 6.1.138, 6.2 ≤ v < 6.6.90, 6.7 ≤ v < 6.12.28, 6.13 ≤ v < 6.14.6, 6.15 | 6.1.138, 6.6.90, 6.12.28, 6.14.6 |
| debian debian_linux | 11.0 | — |
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