CVE-2025-39942

CVE-2025-39942

High · published October 4, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
20.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00289 · 20.4th percentile
Published
2025-10-04T12:15Z
Affected products (12)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15.1, < 6.1.1546.1.154
linux/linux_kernel≥ 6.2, < 6.6.1086.6.108
linux/linux_kernel≥ 6.7, < 6.12.496.12.49
linux/linux_kernel≥ 6.13, < 6.16.96.16.9
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (5)
https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 04 OCT 07:31Z
    ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size
    cvelistv5