CVE-2024-53043

mctp i2c: handle NULL header address

MEDIUM
5.5
CVSS Score
Published: November 19, 2024 at 05:19 PM UTC
Updated: June 17, 2026 at 08:08 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: mctp i2c: 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.18 ≤ v < 6.1.1165.18 ≤ v < 6.11.75.18 ≤ v < 6.125.18 ≤ v < 6.6.606.2 ≤ v < 6.6.606.7 ≤ v < 6.11.76.12 rc16.12 rc26.12 rc36.12 rc46.12 rc5f5b8abf9fc3dacd7529d363e26fe8230935d65f8
Vendor states this is fixed in 01e215975fd80af81b5b79f009d49ddd35976c13 (fixed)
Vendor states this is fixed in 4707893315802a0917231b94cb20cbe50ccbfe03 (fixed)
Vendor states this is fixed in 8c222adadc1612e4f097688875962a28e3f5ab44 (fixed)
Vendor states this is fixed in 8e886e44397ba89f6e8da8471386112b4f5b67b7 (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 6.1.116 (unaffected)
Vendor states this is fixed in 6.11.7 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.6.60 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/01e215975fd80af81b5b79f009d49ddd35976c13
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4707893315802a0917231b94cb20cbe50ccbfe03
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8c222adadc1612e4f097688875962a28e3f5ab44
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8e886e44397ba89f6e8da8471386112b4f5b67b7
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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