Memory Leak Vulnerability in crypto: sun8i-ss
Summary
GSD-2021-1000383: crypto: sun8i-ss - Fix memory leak of pad. Affects Kernel versions >= d9b45418a91773b7672e4c60037a28074b495c6d, < 2c67a9333da9d0a3b87310e0d116b7c9070c7b00. No fix is published. How to fix ↓
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Background
The crypto: sun8i-ss package is a component of the Linux Kernel, specifically designed for the sun8i-ss cryptographic engine. This engine provides hardware acceleration for various cryptographic operations. It is used in systems based on the Allwinner A64 SoC. The vulnerability in this package leads to a memory leak of the pad, which can have potential security implications.
Vulnerability Detail
The memory leak vulnerability in crypto: sun8i-ss arises from a flaw in the code implementation. When the pad is not properly freed after use, it results in a memory leak. An attacker could potentially exploit this vulnerability to exhaust system memory resources, leading to a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in version v5.10 of the Linux Kernel and has been fixed in version v5.10.37.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.37 or later. This update includes the commit 2c67a9333da9d0a3b87310e0d116b7c9070c7b00, which addresses the memory leak issue. Updating the Kernel ensures that the pad is properly freed after use, mitigating the risk of memory exhaustion.
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Workaround
There is no specific workaround mentioned for this vulnerability. The recommended approach is to apply the Kernel update as mentioned in the 'how_to_fix' section.
Conclusion
The memory leak vulnerability in crypto: sun8i-ss can lead to a denial-of-service condition due to memory exhaustion. It is crucial to update the Linux Kernel to version v5.10.37 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
crypto: sun8i-ss is a component of the Linux Kernel that provides hardware acceleration for cryptographic operations on systems based on the Allwinner A64 SoC.
The impact of this vulnerability is a potential denial-of-service condition due to memory exhaustion.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. It requires no signup and uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities.
No, there is no known exploit for this vulnerability at the moment.
In addition to updating the Linux Kernel, it is always recommended to follow best practices for system security, such as regular patching, using secure configurations, and implementing access controls.
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