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<section class="blog__header"><h1>Entries tagged [spectre]</h1></section>
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<h2><a href="/blog/meltdown-and-spectre-patches-show.html">Meltdown and Spectre patches show negligible impact to Apache Ignite performance</a></h2>
<div>
January 30, 2018 by Denis Magda. Share in <a href="http://www.facebook.com/sharer.php?u=https://ignite.apache.org/blog/meltdown-and-spectre-patches-show.html">Facebook</a><span>, </span
><a href="http://twitter.com/home?status=Meltdown and Spectre patches show negligible impact to Apache Ignite performance%20https://ignite.apache.org/blog/meltdown-and-spectre-patches-show.html">Twitter</a>
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<div class="post__content">
<p>
As promised in my <a href="https://blogs.apache.org/ignite/entry/protecting-apache-ignite-from-meltdown">initial blog post</a> on this matter, Apache Ignite community applied security patches against the
notorious Meltdown Spectre vulnerabilities and completed performance testing of general operations and workloads that are typical for Ignite deployments.
</p>
<p>
The security patches were applied only for <a href="https://nvd.nist.gov/vuln/detail/CVE-2017-5754" target="_blank">CVE-2017-5754</a> (Meltdown) and <a
href="https://nvd.nist.gov/vuln/detail/CVE-2017-5753"
target="_blank"
>CVE-2017-5753</a
> (Spectre Variant 1) vulnerabilities. The patches for <a href="https://nvd.nist.gov/vuln/detail/CVE-2017-5715" target="_blank">CVE-2017-5715</a> (Spectre Variant 2) for the hardware the community used for
testing are not stable yet an can
<a href="https://newsroom.intel.com/news/root-cause-of-reboot-issue-identified-updated-guidance-for-customers-and-partners/" target="_blank">cause system reboot issues or another unpredictable behavior</a>.
</p>
<p>The applied patches have shown that the performance implications are negligible - the performance drop is just in the 0 - 7% range as the figure shows:</p>
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<div class="post__footer"><a class="more" href="/blog/meltdown-and-spectre-patches-show.html">↓ Read all</a></div>
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<h2><a href="/blog/protecting-apache-ignite-from-meltdown.html">Protecting Apache Ignite from 'Meltdown' and 'Spectre' vulnerabilities</a></h2>
<div>
January 8, 2018 by Denis Magda. Share in <a href="http://www.facebook.com/sharer.php?u=https://ignite.apache.org/blog/protecting-apache-ignite-from-meltdown.html">Facebook</a><span>, </span
><a href="http://twitter.com/home?status=Protecting Apache Ignite from 'Meltdown' and 'Spectre' vulnerabilities%20https://ignite.apache.org/blog/protecting-apache-ignite-from-meltdown.html">Twitter</a>
</div>
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<div class="post__content">
<p>
The world was rocked after the recent disclosure of the
<a href="https://www.vox.com/business-and-finance/2018/1/4/16850004/meltdown-spectre-intel-security-flaw-update" target="_blank">Meltdown and Spectre</a> vulnerabilities that literally affect almost all software ever
developed. Both issues are related to the way all modern CPUs are designed and this is why they have opened unprecedented security breaches -- making the software, including Apache Ignite, vulnerable to
hacker attacks.
</p>
<p>The vulnerabilities are registered in the National Vulnerability Database under the following CVEs:</p>
<ul>
<li><a href="https://nvd.nist.gov/vuln/detail/CVE-2017-5753" target="_blank">CVE-2017-5753</a> — Spectre variant 1</li>
<li><a href="https://nvd.nist.gov/vuln/detail/CVE-2017-5715" target="_blank">CVE-2017-5715</a> — Spectre variant 2</li>
<li><a href="https://nvd.nist.gov/vuln/detail/CVE-2017-5754" target="_blank">CVE-2017-5754</a> — Meltdown</li>
</ul>
</div>
<div class="post__footer"><a class="more" href="/blog/protecting-apache-ignite-from-meltdown.html">↓ Read all</a></div>
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