SB2025032749 - Input validation error in Linux kernel ufs core driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032749
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-2025-21873)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ufshcd_rpm_put_sync() function in drivers/ufs/core/ufs_bsg.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/32fb5ec825f6f76bc28902181c65429a904a07fe
- https://git.kernel.org/stable/c/59455f968c1004ed897ba873237657745d81ce0f
- https://git.kernel.org/stable/c/7e3c96ff5c5f3206984ed077b2aa8c9b7c4e0327
- https://git.kernel.org/stable/c/f27a95845b01e86d67c8b014b4f41bd3327daa63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.81