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4 June 2021

Vulnerabilities first published on this day (UTC), newest first.

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    CVE-2021-3490 Public exploit EPSS 27%

    Linux kernel eBPF bitwise ops ALU32 bounds tracking

    The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was f…