What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-27 · updated 2026-10-30
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change When disabling wifi mt7921_ipv6_addr_change() is called as a notifier. At this point mvif->phy is already NULL so we cannot use it here.

Affected products

• Linux kernel: before 6.6.52; from 6.7 before 6.10.11; 6.11-rc1, 6.11-rc2, 6.11-rc3 — fixed in 6.6.52, 6.10.11
• Linux: 4.16 — fixed in 6.11

How to fix

Upgrade to a fixed version: Linux kernel 6.6.52, 6.10.11; Linux 6.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3
• https://git.kernel.org/stable/c/4bfee9346d8c17d928ef6da2b8bffab88fa2a553
• https://git.kernel.org/stable/c/8d92bafd4c67efb692f722d73a07412b5f88c6d6
• https://git.kernel.org/stable/c/bcf390440080c24983ab035660203b17e7c7f31e

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