SE Linux and Decrypted Data

    Date26 Nov 2008
    CategorySELinux
    16484
    Posted ByBill Keys
    There is currently a discussion on the Debian-security mailing list about how to protect data which came from an encrypted file. I was going to skip that one until someone summoned me by mentioning SE Linux.

    The issue which was raised is that data from an encrypted file can be read from /dev/mem (for all memory of the machine) or /proc//mem (for the memory of the process). It was suggested that SE Linux can prevent such attacks, however it

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