#VU120459 NULL pointer dereference in Linux kernel - CVE-2023-54049
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120459
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-2023-54049
CWE-ID: CWE-476
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 NULL pointer dereference within the qcom_glink_alloc_channel() function in drivers/rpmsg/qcom_glink_native.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/13928a837e0f014dac0322dd9f8a67c486e7f232
- https://git.kernel.org/stable/c/174cf8853857c190a3c4f1f1d2d06cfd095fe859
- https://git.kernel.org/stable/c/5197498c902502127a47abda5359dd7f1d41946f
- https://git.kernel.org/stable/c/71ac2ffd7f80fdd350486f6645dc48456e55a59b
- https://git.kernel.org/stable/c/abd740db896b3c588dced175af98b95852c1854b
- https://git.kernel.org/stable/c/b5c9ee8296a3760760c7b5d2e305f91412adc795
- https://git.kernel.org/stable/c/cae0787e408c30a575760a531ccb69a6b48bbfaf
- https://git.kernel.org/stable/c/e3734a9558afac91df3c655a6f2376b9d14933b7
- https://git.kernel.org/stable/c/efa7f31669f04084ed5996ed467ba529f4c90467
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257