Latent_entropy Vulnerability in gcc-plugins
Summary
GSD-2022-1002294: gcc-plugins: latent_entropy: use /dev/urandom. Affects Kernel versions >= 38addce8b600ca335dc86fa3d48c890f1c6fa1f4, < 8b1010a6ae05fd52f6e989c05083dc134e4a3671. No fix is published. How to fix ↓
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Background
The gcc-plugins package is a collection of plugins for the GNU Compiler Collection (GCC). These plugins provide additional functionality and analysis capabilities to the compiler. The latent_entropy plugin, included in gcc-plugins, is designed to improve the entropy of random number generation in the Linux Kernel. However, a vulnerability has been discovered in the plugin that affects the way it uses the /dev/urandom device.
Vulnerability Detail
The latent_entropy vulnerability in gcc-plugins arises from the improper use of the /dev/urandom device. The plugin is intended to enhance the entropy of random number generation in the Linux Kernel, but it fails to properly utilize the /dev/urandom device for this purpose. This vulnerability could potentially lead to weakened entropy and compromised security in systems relying on the affected version of the Linux Kernel. It is important to note that the actual impact and attack plausibility of this vulnerability have not yet 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 latent_entropy vulnerability in gcc-plugins poses a potential risk to the security of systems relying on the affected version of the Linux Kernel. It is crucial to update the kernel to the recommended version or later to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
gcc-plugins is a collection of plugins for the GNU Compiler Collection (GCC) that provide additional functionality and analysis capabilities to the compiler.
The latent_entropy plugin is a component of gcc-plugins that aims to improve the entropy of random number generation in the Linux Kernel.
The impact of this vulnerability could result in weakened entropy and compromised security in systems relying on the affected version of the Linux Kernel.
No, the actual impact and attack plausibility of this vulnerability have not yet been proven.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.19.239 or later, which includes the necessary fix for the latent_entropy plugin.
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