CVE-2025-39929

HIGH

Linux Kernel 4.16-6.1.153, 6.2-6.6.107, 6.7-6.12.48, 6.13-6.16.8 - Use-After-Free in SMB Direct Receive IO

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on __kmem_cache_shutdown()

References (8)

Core 8

Scores

CVSS v3 7.5
EPSS 0.0029
EPSS Percentile 20.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (25)
linux/Kernel 4.16.0 - 5.10.259linux
linux/Kernel 4.16.0 - 6.1.154linux
linux/Kernel 5.11.0 - 5.15.210linux
linux/Kernel 5.16.0 - 6.1.154linux
linux/Kernel 6.13.0 - 6.16.9linux
linux/Kernel 6.2.0 - 6.6.108linux
linux/Kernel 6.7.0 - 6.12.49linux
Linux/Linux < 4.16
Linux/Linux 4.16
Linux/Linux 5.10.259 - 5.10.*
... and 15 more
Published Oct 04, 2025
Tracked Since Feb 18, 2026