#VU116305 Buffer overflow in Linux kernel - CVE-2023-53513
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116305
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-2023-53513
CWE-ID: CWE-119
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 corruption within the nbd_set_size() and nbd_add_socket() functions in drivers/block/nbd.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/52851d0c3354b397c11d31dfeb8b2a2fc85a0002
- https://git.kernel.org/stable/c/55793ea54d77719a071b1ccc05a05056e3b5e009
- https://git.kernel.org/stable/c/fab766c8a1aff715bce7075aab40e780266f8e1a
- https://git.kernel.org/stable/c/ffb75ffaa68723276365d0f9d00b03362b750657
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4