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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

10 Nov 2025, 20:48

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890 - () https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890 - Patch
References () https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90 - () https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90 - Patch
References () https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861 - () https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861 - Patch
References () https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2 - () https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2 - Patch
References () https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124 - () https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124 - Patch
References () https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html - () https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html - Mailing List, Third Party Advisory
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8
CPE cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
CWE CWE-416

03 Nov 2025, 20:18

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: corrección del use-after-free en la autenticación Kerberos. Se introdujo la configuración sess->user = NULL para corregir el puntero colgante creado por ksmbd_free_user. Sin embargo, es posible que otro hilo esté operando en la sesión y utilice sess->user después de que se haya pasado a ksmbd_free_user, pero antes de que sess->user se establezca en NULL.

20 May 2025, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-05-20 16:15

Updated : 2025-11-10 20:48


NVD link : CVE-2025-37924

Mitre link : CVE-2025-37924

CVE.ORG link : CVE-2025-37924


JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-416

Use After Free