#VU94398 Memory leak in Linux kernel - CVE-2022-48852
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94398
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-2022-48852
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 vc4_hdmi_audio_init() and vc4_hdmi_unbind() functions in drivers/gpu/drm/vc4/vc4_hdmi.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/ee22082c3e2f230028afa0e22aa8773b1de3c919
- https://git.kernel.org/stable/c/1ed68d776246f167aee9cd79f63f089c40a5e2a3
- https://git.kernel.org/stable/c/e40945ab7c7f966d0c37b7bd7b0596497dfe228d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17