CVE-2025-37924

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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

22% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2025-05-20

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• linux:linux_kernel

References

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

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