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CVE-2025-37924

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/20/2025

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxlinux:linux_kernel

Weaknesses (CWE)

CWE-416

References

https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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