mctp i3c: handle NULL header address (Linux Linux)

CVE-2025-21903
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.20 % · percentile 10 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: mctp i3c: handle NULL header address daddr can be NULL if there is no neighbour table entry present, in that case the tx packet should be dropped. saddr will usually be set by MCTP core, but check for NULL in case a packet is transmitted by a different protocol.

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 < d8be54c35aee29d96d1350b1b6f153be4da37c07 ; affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 < 740bf9c9b715cc327d34b1e2d4ee79fcd4c47a56 ; affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 < cf7ee25e70c6edfac4553d6b671e8b19db1d9573
Linux · Linuxaffected 6.7 ; unaffected 0 < 6.7 ; unaffected 6.12.19 ≤ 6.12.* ; unaffected 6.13.7 ≤ 6.13.* ; unaffected 6.14 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD