SB20260528153 - Improper Initialization in Linux kernel mctp
Published: May 28, 2026
Security Bulletin ID
SB20260528153
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2026-45930)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 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
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.
Remediation
Install update from vendor's website.