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bdu:2025-04819

BELL-CVE-2025-21903

Affected: Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

certfr-2025-avi-0559 — De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un a…

certfr-2025-avi-0559

EUVD-2026-314087

fkie_cve-2025-21903

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.

GHSA-p5qx-8g2f-7jgh

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.

UBUNTU-CVE-2025-21903

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 110 more

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.

WID-SEC-W-2025-0683 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial-of-Service auszulösen und um nicht näher spezifizierte Auswirkungen zu erzielen.