Memory Leak Vulnerability in mt76: mt7915
Summary
GSD-2022-1001550: mt76: mt7915: fix possible memory leak in mt7915_mcu_add_sta. Affects Kernel versions >= 89bbd3730f382f15cfcc2c9264c65b5901ce02fa, < daf02c7e3c3dc82ffa925999597bd455cf799551. 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 6 chip commonly used in routers and access points. This vulnerability affects the mt7915_mcu_add_sta function in the mt7915 driver, which is responsible for adding a station to the device's MAC table.
Vulnerability Detail
The vulnerability in mt76: mt7915 is related to a possible memory leak in the mt7915_mcu_add_sta function. When adding a station to the MAC table, the function may fail to release allocated memory, leading to a memory leak. This could result in a gradual depletion of available memory resources, potentially causing system instability or denial of service. The vulnerability was introduced in version v5.16 of the Linux Kernel and has been fixed in version v5.16.19.
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 recommended to apply the fix as soon as possible.
Conclusion
The memory leak vulnerability in mt76: mt7915 can be fixed by updating the Linux Kernel to version v5.16.19 or later. Users should apply the fix as soon as possible to prevent potential system instability or denial of service. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
mt76 is a driver for MediaTek MT76x0 wireless LAN devices, providing support for various MediaTek Wi-Fi chipsets.
mt7915 is a high-performance Wi-Fi 6 chip commonly used in routers and access points.
mt7915_mcu_add_sta is a function in the mt7915 driver responsible for adding a station to the device's MAC table.
A memory leak occurs when allocated memory is not properly released, leading to a gradual depletion of available memory resources.
The memory leak caused by this vulnerability could result in system instability or denial of service due to the gradual depletion of available memory resources.
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