Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.210 |
References
- https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924Patch
- https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1Patch
- https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7dPatch
- https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36aPatch
- https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbfPatch
- https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3afPatch
- https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1Patch
FAQ
What is CVE-2026-45930?
CVE-2026-45930 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 DEVCO...
How severe is CVE-2026-45930?
CVE-2026-45930 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45930?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.