SB20251210145 - Infinite loop in Linux kernel block driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210145
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2023-53820)
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 website.
References
- 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