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New Side-Channel Vulnerability in the Linux Kernel Enabling DNS Cache Poisoning

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A recent research paper by a team at University of California, Riverside, shows the existence of previously overlooked side channels in the Linux kernels that can be exploited to attack DNS servers. According to the researchers, the issue with DNS roots in its design, that never really took security as a key concern and that made it extremely hard to retrofit strong security features into it.

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