#VU119773 Infinite loop in Linux kernel - CVE-2023-53820
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119773
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-2023-53820
CWE-ID: CWE-835
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 infinite loop within the loop_set_status_from_info() function in drivers/block/loop.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/258809bf22bf71d53247856f374f2b1d055f2fd4
- https://git.kernel.org/stable/c/3e7d0968203d668af6036b9f9199c7b62c8a3581
- https://git.kernel.org/stable/c/4be26d553a3f1d4f54f25353d1496c562002126d
- https://git.kernel.org/stable/c/832580af82ace363205039a8e7c4ef04552ccc1a
- https://git.kernel.org/stable/c/861021710bba9dfa0749a3c209a6c1773208b1f1
- https://git.kernel.org/stable/c/9f6ad5d533d1c71e51bdd06a5712c4fbc8768dfa
- https://git.kernel.org/stable/c/c79a924ed6afac1708dfd370ba66bcf6a852ced6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173