#VU116780 NULL pointer dereference in Linux kernel - CVE-2023-53647
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116780
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-2023-53647
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 vmbus_acpi_add() function in drivers/hv/vmbus_drv.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/64f09d45e94547fbf219f36d1d02ac42742c028c
- https://git.kernel.org/stable/c/78e04bbff849b51b56f5925b1945db2c6e128b61
- https://git.kernel.org/stable/c/96db43aced395844a7abc9a0a5cc702513e3534a
- https://git.kernel.org/stable/c/9fc162c59edc841032a3553eb2334320abab0784
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16