Use After Free Vulnerability in ath10k_htc_send_bundle
Summary
UVI-2021-1000346: ath10k: Fix a use after free in ath10k_htc_send_bundle. Affects Kernel versions >= c8334512f3dd1b94844baca629f9bedca4271593, < 8bb054fb336f4250002fff4e0b075221c05c3c65. No fix is published. How to fix ↓
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Background
The ath10k package is a driver for Qualcomm Atheros 802.11ac wireless LAN chips. It provides support for wireless network connectivity on Linux systems. The ath10k_htc_send_bundle function is responsible for sending a bundle of HTC messages to the firmware. However, a use after free vulnerability has been discovered in this function, which could lead to potential security issues.
Vulnerability Detail
The use after free vulnerability in ath10k_htc_send_bundle occurs when the function tries to access memory that has already been freed. This can result in a variety of issues, including crashes, memory corruption, and the possibility of remote code execution. An attacker could potentially exploit this vulnerability to gain unauthorized access to a system or execute arbitrary code with elevated privileges. The vulnerability was introduced in version v5.8 of the Linux Kernel and has been fixed in version v5.10.37.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround available for this vulnerability. It is strongly advised to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The use after free vulnerability in ath10k_htc_send_bundle poses a potential security risk, allowing attackers to gain unauthorized access or execute arbitrary code. It is crucial to update the Linux Kernel to the patched version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
ath10k is a driver for Qualcomm Atheros 802.11ac wireless LAN chips, providing support for wireless network connectivity on Linux systems.
ath10k_htc_send_bundle is a function in the ath10k package responsible for sending a bundle of HTC messages to the firmware.
A use after free vulnerability occurs when a program tries to access memory that has already been freed. This can lead to crashes, memory corruption, and potential security issues.
The use after free vulnerability in ath10k_htc_send_bundle could result in crashes, memory corruption, and the possibility of remote code execution. An attacker could exploit this vulnerability to gain unauthorized access or execute arbitrary code with elevated privileges.
To fix this vulnerability, update the Linux Kernel to version v5.10.37 or later by downloading the latest stable version from the official repository and following the installation instructions.
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