Memory leak in Linux kernel - CVE-2022-50139
Published: June 18, 2025
Vulnerability identifier: #VU111274
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: CVE-2022-50139
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ast_vhub_init_desc() function in drivers/usb/gadget/udc/aspeed-vhub/hub.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50139
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/0e0a40c803643f4edc30f0660f2f3bea4d57a99a
- https://git.kernel.org/stable/c/220fafb4ed04187e9c17be4152da5a7f2ffbdd8c
- https://git.kernel.org/stable/c/3503305225ca24c3229414c769323fb8bf39b4bf
- https://git.kernel.org/stable/c/4070f3c83cd28267f469a59751480ad39435f26a
- https://git.kernel.org/stable/c/e6db5780c2bf6e23be7b315809ef349b4b4f2213