#VU116482 Memory leak in Linux kernel - CVE-2023-53597
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116482
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-2023-53597
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 cifs_demultiplex_thread() function in fs/smb/client/connect.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/57d25e9905c71133e201f6d06b56a3403d4ad433
- https://git.kernel.org/stable/c/69cba9d3c1284e0838ae408830a02c4a063104bc
- https://git.kernel.org/stable/c/c55901d381a22300c9922170e59704059f50977b
- https://git.kernel.org/stable/c/df31d05f0678cdd0796ea19983a2b93edca18bb0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150