Yikes! Linux Kernel remote code exec via double UDP cksum calculation (triggered by MSG_PEEK). NEEDS BRANDING! ;P https://nvd.nist.gov/vuln/detail/CVE-2016-10229 …
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There used to be a bug around this same deferral whereby poll/select returned readable, then recv blocked because checksum failed.
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For years, maybe a decade, it was
@ewontfix'd. -
All of Linux networking is a mess. From API to implementation. I wouldn't be surprised if more bugs like that and CVE-2016-10229 exist.
End of conversation
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