CVE-2026-45930

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924	Patch
https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1	Patch
https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d	Patch
https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a	Patch
https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf	Patch
https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af	Patch
https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2026-05-27 14:17

Updated : 2026-06-25 12:46

NVD link : CVE-2026-45930

Mitre link : CVE-2026-45930

CVE.ORG link : CVE-2026-45930

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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