CVE-2026-45930In 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 DEVCOR…
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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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Undergoing Analysis
- Record last updated
- Jun 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.15 before 5.15.210; from 5.16 before 6.1.176; from 6.2 before 6.6.143; from 6.7 before 6.12.93; from 6.13 before 6.18.35; from 6.19 before 6.19.4 | NVD |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.