SB20251226222 - NULL pointer dereference in Linux kernel misc vmw_vmci driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226222
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-54007)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vmci_host_close() function in drivers/misc/vmw_vmci/vmci_host.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2053e93ac15519ed1f1fe6eba79a33a4963be4a3
- https://git.kernel.org/stable/c/67e35824f861a05b44b19d38e16a83f653bd9d92
- https://git.kernel.org/stable/c/770d30b1355c6c8879973dd054fca9168def182c
- https://git.kernel.org/stable/c/85b4aa4eb2e3a0da111fd0a1cdbf00f986ac6b6b
- https://git.kernel.org/stable/c/ab64bd32b9fac27ff4737d63711b9db5e5462448
- https://git.kernel.org/stable/c/ae13381da5ff0e8e084c0323c3cc0a945e43e9c7
- https://git.kernel.org/stable/c/ca0f4ad2b7a36c799213ef0a213eb977a51e03dc
- https://git.kernel.org/stable/c/d22b2a35729cb1de311cb650cd67518a24e13fc9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.28