CVE-2025-38737

MEDIUM

Linux Kernel 6.12-6.12.43, 6.13-6.16.3, 6.17 - Use-After-Free in SMB3 Transform Request Buffer Initialization

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uninitialised variable Fix smb3_init_transform_rq() to initialise buffer to NULL before calling netfs_alloc_folioq_buffer() as netfs assumes it can append to the buffer it is given. Setting it to NULL means it should start a fresh buffer, but the value is currently undefined.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/4931fe2dbe1cc0e7d350a4b51b0b330e43971d98

Patch

https://git.kernel.org/stable/c/6adaa9fae36f848afa7278945d725e197e33c496

Patch

https://git.kernel.org/stable/c/453a6d2a68e54a483d67233c6e1e24c4095ee4be

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 3.9%

Attack Vector LOCAL

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

Details

CWE

CWE-908

Status published

Products (12)

linux/Kernel 6.12.0 - 6.12.44linux

linux/Kernel 6.13.0 - 6.16.4linux

Linux/Linux < 6.12

Linux/Linux 6.12

Linux/Linux 6.12.44 - 6.12.*

Linux/Linux 6.16.4 - 6.16.*

Linux/Linux 6.17

Linux/Linux a2906d3316fc19bf0ade84618bb73eab604c447e - 453a6d2a68e54a483d67233c6e1e24c4095ee4be

Linux/Linux a2906d3316fc19bf0ade84618bb73eab604c447e - 4931fe2dbe1cc0e7d350a4b51b0b330e43971d98

Linux/Linux a2906d3316fc19bf0ade84618bb73eab604c447e - 6adaa9fae36f848afa7278945d725e197e33c496

... and 2 more

Published Sep 05, 2025

Tracked Since Feb 18, 2026