CVE-2025-37924

ksmbd: fix use-after-free in kerberos authentication

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.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2
https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90
https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861
https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890
https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124

Frequently Asked Questions

What is the severity of CVE-2025-37924?: CVE-2025-37924 has not yet been assigned a CVSS score.
How to fix CVE-2025-37924?: To fix CVE-2025-37924, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37924 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37924 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37924?: CVE-2025-37924 affects Linux Linux, Linux Linux.

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