Vulnerability in mt76: mt7915
Summary
GSD-2022-1002770: mt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector. Affects Kernel versions >= 78fc30a21cf1175e97567fa5153c0efc7d955a45, < 268e8ef187eb8780d021b0e4f5ffa92dee5c4983. No fix is published. How to fix ↓
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Background
The mt76 package is a driver for MediaTek MT76x0 wireless LAN devices. It provides support for various MediaTek Wi-Fi chipsets, including the mt7915. The mt7915 is a high-performance Wi-Fi 6E chip that offers fast and reliable wireless connectivity. However, a vulnerability has been discovered in the mt7915 driver that could lead to a NULL pointer dereference.
Vulnerability Detail
The vulnerability in the mt7915 driver is caused by a possible NULL pointer dereference in the mt7915_mac_fill_rx_vector function. This vulnerability could be exploited by an attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code. The vulnerability was introduced in version v5.12 of the Linux Kernel and has been fixed in version v5.18.3.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is strongly advised to apply the fix by updating the Linux Kernel.
Conclusion
The vulnerability in the mt7915 driver could potentially lead to a denial of service (DoS) condition or arbitrary code execution. It is crucial to update the Linux Kernel to version v5.18.3 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability could lead to a denial of service (DoS) condition or potential execution of arbitrary code.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
Yes, a patch has been released in version v5.18.3 of the Linux Kernel. It is recommended to update to this version or later to fix the vulnerability.
Yes, this vulnerability can be exploited remotely if the affected system is connected to a network.
There are no known instances of this vulnerability being exploited in the wild at the time of this report.
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