#VU115237 Memory leak in Linux kernel - CVE-2023-53230
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115237
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-2023-53230
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_smb3_do_mount() function in fs/smb/client/cifsfs.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/12c30f33cc6769bf411088a2872843c4f9ea32f9
- https://git.kernel.org/stable/c/945f4a7aff84fde1f825d17a5050880345da3228
- https://git.kernel.org/stable/c/9850867042674361f455ea8901375cff5b800be5
- https://git.kernel.org/stable/c/eb79f8dfba343667f9a82a252743f4e8f67ce420
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12