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CVE-2024-26723 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: lan966x: Fix crash when adding interface under a lag There is a crash when adding one of the lan966x interfaces under a lag interface. The issue can be reproduced like this: ip link add name bond0 type bond miimon 100 mode balance-xor ip link set dev eth0 master bond0 The reason is because when adding a interface under the lag it would go through all the ports and try to figure out which other ports are under that lag interface. And the issue is that lan966x can have ports that are NULL pointer as they are not probed. So then iterating over these ports it would just crash as they are NULL pointers. The fix consists in actually checking for NULL pointers before accessing something from the ports. Like we do in other places.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/15faa1f67ab405d47789d4702f587ec7df7ef03e
https://git.kernel.org/stable/c/2a492f01228b7d091dfe38974ef40dccf8f9f2f1
https://git.kernel.org/stable/c/48fae67d837488c87379f0c9f27df7391718477c
https://git.kernel.org/stable/c/b9357489c46c7a43999964628db8b47d3a1f8672

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26723
NVD Published Date:
04/03/2024
NVD Last Modified:
04/03/2024
Source:
kernel.org