#VU119284 Memory leak in Linux kernel - CVE-2025-40285
Published: December 8, 2025
Vulnerability identifier: #VU119284
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40285
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 smb2_sess_setup() function in fs/smb/server/smb2pdu.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/379510a815cb2e64eb0a379cb62295d6ade65df0
- https://git.kernel.org/stable/c/6fc935f798d44a8eb8a5e6659198399fbf57b981
- https://git.kernel.org/stable/c/d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d
- https://git.kernel.org/stable/c/dcc51dfe6ff26b52cac106865a172ac982d78401
- https://git.kernel.org/stable/c/e671f9bb97805771380c98de944e2ceab6949188