#VU116569 Input validation error in Linux kernel - CVE-2022-50470
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116569
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-2022-50470
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 xhci_free_virt_device() function in drivers/usb/host/xhci-mem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/3bf860a41e0f2fcea0ac3aae8f7ef887a7994b70
- https://git.kernel.org/stable/c/5aed5b7c2430ce318a8e62f752f181e66f0d1053
- https://git.kernel.org/stable/c/5e4ce28ad907aa54f13b21d5f1dc490525957b0c
- https://git.kernel.org/stable/c/678d2cc2041cc6ce05030852dce9ad42719abcfc
- https://git.kernel.org/stable/c/8f1cd9633d1f21efc13e8fc75be8f2b6bb85e38c
- https://git.kernel.org/stable/c/c892a81c7424b4f6a660cb9c249d354ccf3afeca
- https://git.kernel.org/stable/c/cebbc8d335d6bcc1316584f779c08f80287c6af8
- https://git.kernel.org/stable/c/f0de39474078adef6ece7a183e34c15ce2c1d8d1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.298