vulnerability

SUSE: CVE-2025-21903: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Dec 5, 2025
Added
Dec 5, 2025
Modified
Dec 5, 2025

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.

Solutions

suse-upgrade-kernel-64kbsuse-upgrade-kernel-64kb-develsuse-upgrade-kernel-64kb-extrasuse-upgrade-kernel-azuresuse-upgrade-kernel-azure-develsuse-upgrade-kernel-azure-extrasuse-upgrade-kernel-azure-vdsosuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-develsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-default-livepatchsuse-upgrade-kernel-default-vdsosuse-upgrade-kernel-develsuse-upgrade-kernel-devel-azuresuse-upgrade-kernel-docssuse-upgrade-kernel-docs-htmlsuse-upgrade-kernel-kvmsmallsuse-upgrade-kernel-kvmsmall-develsuse-upgrade-kernel-kvmsmall-vdsosuse-upgrade-kernel-macrossuse-upgrade-kernel-obs-qasuse-upgrade-kernel-sourcesuse-upgrade-kernel-source-azuresuse-upgrade-kernel-source-vanillasuse-upgrade-kernel-symssuse-upgrade-kernel-zfcpdump
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.