net: mctp: ensure our nlmsg responses are initialised
Summary
| CVE | CVE-2026-45930 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-27 14:17:08 UTC |
| Updated | 2026-06-19 13:16:30 UTC |
| 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. |
Risk And Classification
EPSS: 0.001800000 probability, percentile 0.076790000 (date 2026-06-22)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d b37da3ac099e145bcd3be82c745a8d335772e3af git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d c4f840437e7641764de15f2de951ac8335d641f1 git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d 963537a26fd892f7e414a091f807b44aeee97a7d git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d 976612471a9e6ead6ceffc241e4d0a1aac90b36a git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d 54ed418de62a148a655262da682a050fa05f7924 git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d 6fb6a97c86abb8592158088afaea0eb464cf9de1 git | Not specified |
| CNA | Linux | Linux | affected 583be982d93479ea3d85091b0fd0b01201ede87d a6a9bc544b675d8b5180f2718ec985ad267b5cbf git | Not specified |
| CNA | Linux | Linux | affected 5.15 | Not specified |
| CNA | Linux | Linux | unaffected 5.15 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.210 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.176 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.143 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.93 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.35 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.4 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.