#VU94404 Memory leak in Linux kernel - CVE-2022-48820
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94404
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-2022-48820
CWE-ID: CWE-401
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 memory leak within the stm32_usbphyc_pll_enable() function in drivers/phy/st/phy-stm32-usbphyc.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/94b16ca86ab688ed6fad4548f70137f93cf1f0a9
- https://git.kernel.org/stable/c/0ad1a88fa3eb0ded7798f52b79bc33f75fc9a6d2
- https://git.kernel.org/stable/c/cfc826c88a79e22ba5d8001556eb2c7efd8a01b6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17