Use After Free Vulnerability in ath10k_htc_send_bundle
Summary
GSD-2021-1000231: ath10k: Fix a use after free in ath10k_htc_send_bundle. Affects Kernel versions >= c8334512f3dd1b94844baca629f9bedca4271593, < 5e413c0831ff4700d1739db3fa3ae9f859744676. 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 communication on Linux systems. The ath10k_htc_send_bundle function is responsible for sending data bundles over the HTC (Host Target Communication) protocol. This vulnerability affects the ath10k package and specifically the ath10k_htc_send_bundle function.
Vulnerability Detail
The use after free vulnerability in ath10k_htc_send_bundle allows an attacker to exploit a freed memory region. By manipulating the freed memory, an attacker can potentially execute arbitrary code or cause a denial of service. The vulnerability was introduced in version v5.8 of the Linux Kernel and was fixed in version v5.12.4. The impact and attack plausibility of this vulnerability have not been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The use after free vulnerability in ath10k_htc_send_bundle poses a potential security risk for systems running the affected versions of the Linux Kernel. To mitigate this vulnerability, it is recommended to update the Kernel to version v5.12.4 or later. This update includes the necessary patch to address the use after free issue. 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 communication on Linux systems.
ath10k_htc_send_bundle is a function responsible for sending data bundles over the HTC (Host Target Communication) protocol in the ath10k package.
A use after free vulnerability occurs when a program continues to use a memory region after it has been freed. This can lead to memory corruption and potentially allow an attacker to execute arbitrary code or cause a denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will alert you in real-time for open-source vulnerabilities, including this one.
There is no known exploit for this vulnerability at the moment. However, it is still important to update your system to the patched version to mitigate any potential risks.
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