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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45930

⇱ NVD - CVE-2026-45930

  1. Vulnerabilities

CVE-2026-45930 Detail

Undergoing Reanalysis

This CVE is currently being enriched by team members, this process results in the association of reference link tags, CVSS, CWE, and CPE applicability statement data.

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924 kernel.org Patch 
https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1 kernel.org Patch 
https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d kernel.org Patch 
https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a kernel.org Patch 
https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf kernel.org Patch 
https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af kernel.org Patch 
https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1 kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information 👁 cwe source acceptance level
NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

5 change records found show changes

Initial Analysis by NIST 6/25/2026 8:46:02 AM

Action Type Old Value New Value
Added CVSS V3.1 
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added CWE 
NVD-CWE-noinfo
Added CPE Configuration 
OR
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.4
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.210
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.176
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.35
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.143
 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.93
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924 Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1 Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af Types: Patch
Added Reference Type 
kernel.org: https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1 Types: Patch

CVE Modified by kernel.org 6/19/2026 9:16:30 AM

Action Type Old Value New Value
Added Reference 
https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d
Added Reference 
https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af
Added Reference 
https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1
Changed Affected 
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"976612471a9e6ead6ceffc241e4d0a1aac90b36a","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"54ed418de62a148a655262da682a050fa05f7924","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"6fb6a97c86abb8592158088afaea0eb464cf9de1","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"a6a9bc544b675d8b5180f2718ec985ad267b5cbf","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","versionType":"semver","status":"unaffected"},{"version":"6.12.93","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.35","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"6.19.4","lessThanOrEqual":"6.19.*","versionType":"semver","status":"unaffected"},{"version":"7.0","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]


 Record truncated, showing 2048 of 2280 characters.
View Entire Change Record
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"b37da3ac099e145bcd3be82c745a8d335772e3af","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"c4f840437e7641764de15f2de951ac8335d641f1","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"963537a26fd892f7e414a091f807b44aeee97a7d","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"976612471a9e6ead6ceffc241e4d0a1aac90b36a","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"54ed418de62a148a655262da682a050fa05f7924","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"6fb6a97c86abb8592158088afaea0eb464cf9de1","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"a6a9bc544b675d8b5180f2718ec985ad267b5cbf","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","versionType":"semver","status":"unaffected"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.93","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.35","lessThanOrEqual":"6.18.*","versionTyp

CVE Modified by kernel.org 6/17/2026 6:52:44 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"976612471a9e6ead6ceffc241e4d0a1aac90b36a","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"54ed418de62a148a655262da682a050fa05f7924","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"6fb6a97c86abb8592158088afaea0eb464cf9de1","versionType":"git","status":"affected"},{"version":"583be982d93479ea3d85091b0fd0b01201ede87d","lessThan":"a6a9bc544b675d8b5180f2718ec985ad267b5cbf","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["net/mctp/device.c","net/mctp/neigh.c","net/mctp/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","versionType":"semver","status":"unaffected"},{"version":"6.12.93","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.35","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"6.19.4","lessThanOrEqual":"6.19.*","versionType":"semver","status":"unaffected"},{"version":"7.0","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]

CVE Modified by kernel.org 6/09/2026 7:16:52 AM

Action Type Old Value New Value
Added Reference 
https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924
Added Reference 
https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a

New CVE Received from kernel.org 5/27/2026 10:17:08 AM

Action Type Old Value New Value
Added 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.
Added Reference 
https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1
Added Reference 
https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf

Quick Info

CVE Dictionary Entry:
CVE-2026-45930
NVD Published Date:
05/27/2026
NVD Last Modified:
06/25/2026
Source:
kernel.org