SB20250620172 - Infinite loop in Linux kernel block driver

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Main Vulnerability Database SB20250620172

SB20250620172 - Infinite loop in Linux kernel block driver

Published: June 20, 2025 Updated: June 21, 2025

Security Bulletin ID SB20250620172
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Infinite loop (CVE-ID: CVE-2022-49993)

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