#VU120351 Memory leak in Linux kernel - CVE-2023-54020
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120351
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-2023-54020
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 drivers/dma/sf-pdma/sf-pdma.h. 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/03fece43fa109beba7cc9948c02f5e2d1205d607
- https://git.kernel.org/stable/c/8bd5040bd43f2b5ba3c898b09a3197a0c7ace126
- https://git.kernel.org/stable/c/ad222c9af25e3f074c180e389b3477dce42afc4f
- https://git.kernel.org/stable/c/b02e07015a5ac7bbc029da931ae17914b8ae0339
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3