CVE-2025-37924

high

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.

References

https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124

https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2

https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861

https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90

https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890

Details

Source: Mitre, NVD

Published: 2025-05-20

Updated: 2025-05-21

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.4

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00034