SB2024062547 - Resource management error in Linux kernel fs
Published: June 25, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-47577)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the io_acct_cancel_pending_work(), io_queue_worker_create(), io_wq_exit_start() and io_wq_exit_workers() functions in fs/io-wq.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.