Out-of-bounds write in Linux kernel - CVE-2023-53486
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116270
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53486
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds write within the mi_enum_attr() function in fs/ntfs3/record.c. A local user can execute arbitrary code.
How to mitigate CVE-2023-53486
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/1fd5b80c9339503f3eaa4db3051b37ac506beeab
- https://git.kernel.org/stable/c/277439e7cabd9d4c6334b39a4b99d49b4c97265b
- https://git.kernel.org/stable/c/4f082a7531223a438c757bb20e304f4c941c67a8
- https://git.kernel.org/stable/c/f28d9e02c2c242e8f9af9e13ba263fcc0211be49
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4