#VU116455 Memory leak in Linux kernel - CVE-2025-39929
Published: October 4, 2025
Vulnerability identifier: #VU116455
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-39929
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the smbd_negotiate() function in fs/smb/client/smbdirect.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0991418bf98f191d0c320bd25245fcffa1998c7e
- https://git.kernel.org/stable/c/3d7c075c878ac844e33c43e506c2fa27ac7e9689
- https://git.kernel.org/stable/c/922338efaad63cfe30d459dfc59f9d69ff93ded4
- https://git.kernel.org/stable/c/daac51c7032036a0ca5f1aa419ad1b0471d1c6e0
- https://git.kernel.org/stable/c/e7b7a93879558e77d950f1ff9a6f3daa385b33df