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posted by n1 on Thursday July 06 2017, @11:39AM   Printer-friendly
from the to-hell-with-gpl dept.

Bruce Perens warns of potential contributory infringement and breach of contract risk for customers of GRSecurity:

Grsecurity is a patch for the Linux kernel which, it is claimed, improves its security. It is a derivative work of the Linux kernel which touches the kernel internals in many different places. It is inseparable from Linux and can not work without it. it would fail a fair-use test (obviously, ask offline if you don’t understand). Because of its strongly derivative nature of the kernel, it must be under the GPL version 2 license, or a license compatible with the GPL and with terms no more restrictive than the GPL. Earlier versions were distributed under GPL version 2.

Currently, Grsecurity is a commercial product and is distributed only to paying customers. My understanding from several reliable sources is that customers are verbally or otherwise warned that if they redistribute the Grsecurity patch, as would be their right under the GPL, that they will be assessed a penalty: they will no longer be allowed to be customers, and will not be granted access to any further versions of Grsecurity. GPL version 2 section 6 explicitly prohibits the addition of terms such as this redistribution prohibition.

By operating under their policy of terminating customer relations upon distribution of their GPL-licensed software, Open Source Security Inc., the owner of Grsecurity, creates an expectation that the customer’s business will be damaged by losing access to support and later versions of the product, if that customer exercises their re-distribution right under the GPL license. This is tantamount to the addition of a term to the GPL prohibiting distribution or creating a penalty for distribution. GPL section 6 specifically prohibits any addition of terms. Thus, the GPL license, which allows Grsecurity to create its derivative work of the Linux kernel, terminates, and the copyright of the Linux Kernel is infringed. The contract from the Linux kernel developers to both Grsecurity and the customer which is inherent in the GPL is breached.


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  • (Score: 2) by frojack on Thursday July 06 2017, @06:09PM (1 child)

    by frojack (1554) Subscriber Badge on Thursday July 06 2017, @06:09PM (#535809) Journal

    That comparison was 8 years ago.

    So it was Yesterday then?

    2009-ish. And all we've found since then is some corner cases and a couple major fuckups in third party software that were a lot harder to exploit than all the hype media made them out to be. (None of which were protected against by Grsecurity or any of the other packages).

    A lot of kernel features have been ADDED, some bugs proactively patched, but realistically there hasn't been that much that affects these security add-ons.

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  • (Score: 2) by Immerman on Friday July 07 2017, @12:48AM

    by Immerman (3985) on Friday July 07 2017, @12:48AM (#535948)

    Have the security add-ons remained static since then? Failed to address their weaknesses nor expanded their strengths?

    I mean cars haven't changed a lot in the last few decades, but if I wanted a comparison between manufacturers, I'd really want a comparison of *current* models, not the models made ten years ago.