#VU106123 Input validation error in Linux kernel - CVE-2025-21873
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106123
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21873
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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