SB2025070542 - Input validation error in Linux kernel block driver
Published: July 5, 2025
Security Bulletin ID
SB2025070542
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) Input validation error (CVE-ID: CVE-2025-38182)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ublk_ctrl_add_dev() function in drivers/block/ublk_drv.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.