CVE-2025-37924

HIGH EPSS 94.9%
Published May 20, 20251y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published May 20, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
94.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <6.1.138
linuxlinux_kernel*≥6.2  –  <6.6.90
linuxlinux_kernel*≥6.7  –  <6.12.28
linuxlinux_kernel*≥6.13  –  <6.14.6
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
    Mailing ListThird Party Advisory

Remediation

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