#VU120285 Memory leak in Linux kernel - CVE-2023-54136
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120285
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-2023-54136
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 sprd_rx_free_buf() and sprd_probe() functions in drivers/tty/serial/sprd_serial.c. 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/0237f913694d57bcd7e0e7ae6f255b648a1c42a7
- https://git.kernel.org/stable/c/4ee715e54e255b1be65722f715fca939d5c2ca7a
- https://git.kernel.org/stable/c/6d209ed70f9c388727995aaece1f930fe63d402b
- https://git.kernel.org/stable/c/9a26aaea6c212ea26bab159933dbfd3321a491f6
- https://git.kernel.org/stable/c/c65be6ad55e5e45f8c4e40e1d8d7fe0e21b26e77
- https://git.kernel.org/stable/c/cd119fdc3ee1450fbf7f78862b5de44c42b6e47f
- https://git.kernel.org/stable/c/f34508d934c4f2efb6a85787fc37f42184dabadf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132