CVE-2022-49484 mt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector

What is CVE-2022-49484?

CVE-2022-49484 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

mt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector

Fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector routine if the chip does not support dbdc and the hw reports band_idx set to 1.

Weakness: CWE-476

Which versions are affected by CVE-2022-49484?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49484?

Apply the vendor's patch.

Is CVE-2022-49484 being exploited?

There is no known exploitation of CVE-2022-49484 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-49484, GHSA-m2qv-9v9x-x3fp, ROOT-OS-UBUNTU-2204-CVE-2022-49484, UBUNTU-CVE-2022-49484.