#VU116810 Input validation error in Linux kernel - CVE-2023-53618
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116810
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-2023-53618
CWE-ID: CWE-20
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 improper input validation within the check_root_key() function in fs/btrfs/tree-checker.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/314135b7bae9618a317874ae195272682cf2d5d4
- https://git.kernel.org/stable/c/3ae93b316ca4b8b3c33798ef1d210355f2fb9318
- https://git.kernel.org/stable/c/6ebcd021c92b8e4b904552e4d87283032100796d
- https://git.kernel.org/stable/c/84256e00eeca73c529fc6196e478cc89b8098157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11