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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Rowhammer bug on ARMv8</title><link>https://community.arm.com/developer/tools-software/oss-platforms/f/dev-platforms-forum/47697/rowhammer-bug-on-armv8</link><description> Hi Everyone, 
 I have been trying exploiting Rowhammer bug on ARMv8 running linux for a university project. 
 The device is a Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz. 
 First i checked the UCI bit value in the SCTLR register, and is set. So</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Rowhammer bug on ARMv8</title><link>https://community.arm.com/thread/168835?ContentTypeID=1</link><pubDate>Fri, 27 Nov 2020 09:08:12 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:dd9f42f6-f944-47bf-b3df-6d624f8eef81</guid><dc:creator>Veltri</dc:creator><description>&lt;p&gt;&lt;span&gt;One&amp;nbsp;&lt;/span&gt;&lt;em&gt;exploit&lt;/em&gt;&lt;span&gt;&amp;nbsp;uses&amp;nbsp;&lt;/span&gt;&lt;em&gt;rowhammer&lt;/em&gt;&lt;span&gt;-induced bit flips to gain kernel privileges on ... This works because DRAM cells&amp;nbsp;&lt;/span&gt;&lt;em&gt;have been&lt;/em&gt;&lt;span&gt;&amp;nbsp;getting smaller and closer together. ... The second&amp;nbsp;&lt;/span&gt;&lt;em&gt;runs&lt;/em&gt;&lt;span&gt;&amp;nbsp;as a normal x86-64 process on&amp;nbsp;&lt;/span&gt;&lt;em&gt;Linux&lt;/em&gt;&lt;span&gt;&amp;nbsp;and escalates ... which isn&amp;#39;t useful for our&amp;nbsp;&lt;/span&gt;&lt;em&gt;exploit&lt;/em&gt;&lt;span&gt;, so we can skip&amp;nbsp;&lt;/span&gt;&lt;em&gt;trying&lt;/em&gt;&lt;span&gt;&amp;nbsp;to use this bit flip.&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>