SB2024060345 - Improper locking in Linux kernel usb cdns3 driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060345
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) Improper locking (CVE-ID: CVE-2021-47271)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cdnsp_thread_irq_handler() function in drivers/usb/cdns3/cdnsp-ring.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.