NONE
CVE-2026-45930
Published: May 27, 2026· Updated: May 27, 2026
Official Description
In the Linux kernel, the following vulnerability has been resolved:
net: mctp: ensure our nlmsg responses are initialised
Syed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from
DEVCORE Research Team working with Trend Micro Zero Day Initiative
report that a RTM_GETNEIGH will return uninitalised data in the pad
bytes of the ndmsg data.
Ensure we're initialising the netlink data to zero, in the link, addr
and neigh response messages.
Technical Analysis
CVE-2026-45930 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
Affected Vendors & Products
Mentioned vendors (from description):
Linux
CPE data not yet available in NVD for this CVE.
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (2)
Quick Facts
CVE IDCVE-2026-45930
SeverityNONE
CISA KEVNo
PublishedMay 27, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-45930 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.