Improper Initialization in Linux kernel - CVE-2026-45930
Published: May 28, 2026
Vulnerability identifier: #VU132565
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-45930
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper initialization in netlink ndmsg response messages when handling RTM_GETNEIGH requests. A local user can send a crafted netlink request to disclose sensitive information.
The issue affects pad bytes in the ndmsg data returned by the kernel.
How to mitigate CVE-2026-45930
Install security update from vendor's repository.