CVE-2024-46860: wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change

Published Sep 27, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7921: fix NULL pointer access in mt7921ipv6addrchange

When disabling wifi mt7921ipv6addrchange() is called as a notifier. At this point mvif->phy is already NULL so we cannot use it here.

Affected Software

8 affected componentsFixes available
Linux Linux kernel<6.6.52
Linux Linux kernel>=6.7<6.10.11
Linux Linux kernel=6.11-rc1
Linux Linux kernel=6.11-rc2
Linux Linux kernel=6.11-rc3
debian/linux<=5.10.223-1, <=5.10.234-1, <=6.1.129-1, <=6.1.135-1
6.12.25-16.12.27-1
Microsoft azl3 kernel 6.6.51.1-5
Microsoft azl3 kernel 6.6.56.1-5

Event History

Sep 27, 2024
CVE Published
via MITRE·12:42 PM
Data Sourced
via MITRE·12:42 PM
Description
Nov 9, 2024
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
SeverityAffected Software
Updated
via Microsoft·08:00 AM
DescriptionSeverity
May 1, 2025
Data Sourced
via Ubuntu·09:17 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-46860?

CVE-2024-46860 has been classified as a medium severity vulnerability due to the potential for NULL pointer dereference during the wifi disable process.

2

How do I fix CVE-2024-46860?

To resolve CVE-2024-46860, users should update their Linux kernel to version 6.12.11-1 or later.

3

Which versions of the Linux kernel are affected by CVE-2024-46860?

CVE-2024-46860 affects Linux kernel versions from 6.7 through 6.10.11 and specific release candidates of 6.11.

4

What component of the Linux kernel is impacted by CVE-2024-46860?

CVE-2024-46860 impacts the wifi driver for the mt76 chipset, specifically during IPv6 address changes.

5

Is CVE-2024-46860 a local or remote vulnerability?

CVE-2024-46860 is considered a local vulnerability as it requires local access to the device to exploit.

Contact

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