CVE-2025-39942

MEDIUM EPSS 3.2%
Published Oct 4, 20258mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 4, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 12

VendorProductVersionRange
linuxlinux_kernel*≥5.15.1  –  <6.1.154
linuxlinux_kernel*≥6.2  –  <6.6.108
linuxlinux_kernel*≥6.7  –  <6.12.49
linuxlinux_kernel*≥6.13  –  <6.16.9
linuxlinux_kernel5.15any
linuxlinux_kernel5.15any
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0
    Patch