Memory leak in Linux kernel - CVE-2022-49741
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106147
CSH Severity: Low
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:Clear
CVE-ID: CVE-2022-49741
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 ufx_usb_probe() function in drivers/video/fbdev/smscufx.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49741
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b
- https://git.kernel.org/stable/c/3931014367ef31d26af65386a4ca496f50f0cfdf
- https://git.kernel.org/stable/c/3b3d3127f5b4291ae4caaf50f7b66089ad600480
- https://git.kernel.org/stable/c/64fa364ad3245508d393e16ed4886f92d7eb423c
- https://git.kernel.org/stable/c/b76449ee75e21acfe9fa4c653d8598f191ed7d68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2