<div dir="ltr"><div dir="ltr">On Sat, Aug 1, 2020 at 2:57 PM David Collier-Brown via talk <<a href="mailto:talk@gtalug.org">talk@gtalug.org</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
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    <div>On 2020-08-01 1:26 p.m., Russell Reiter
      via talk wrote:<br>
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          <div dir="ltr" class="gmail_attr">On Sat, Aug 1, 2020 at 12:03
            PM D. Hugh Redelmeier via talk <<a href="mailto:talk@gtalug.org" target="_blank">talk@gtalug.org</a>>
            wrote:<br>
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          <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><a href="https://access.redhat.com/solutions/5272311" rel="noreferrer" target="_blank">https://access.redhat.com/solutions/5272311</a><br>
            <a href="https://arstechnica.com/gadgets/2020/07/red-hat-and-centos-systems-arent-booting-due-to-boothole-patches/" rel="noreferrer" target="_blank">https://arstechnica.com/gadgets/2020/07/red-hat-and-centos-systems-arent-booting-due-to-boothole-patches/</a><br>
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            Don't do upgrades to Fedora, RHEL, CentOS until you read
            those.<br>
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    <p>I'm not sure if it was necessary or not, but I killed all my
      dnfdragora-updater processes and also commented out the contents
      of /etc/xdg/autostart/org.mageia.dnfdragora-updater.desktop so
      that dnfdragora-updater dies if it tries to run<br>
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    <p>That's for the xfce spin of Fedora 31...</p>
    <p>Now all I have to do is remember to re-enable it after the bug is
      fixed (;-))</p></div></blockquote><div><br></div><div>I did  </div><div><br></div><div>rpm -qa grub2-\* shim-\* --qf "%{SOURCERPM}\n" | sort | uniq</div><div><br></div><div>on my Fedora and got</div><div><br></div><div>grub2-2.02-109.fc31.src.rpm<br>shim-15-8.src.rpm<br></div><div><br></div><div>so my version is ok.</div><div><br></div><div>It looks like this problem was caused by a patch which then allowed a malformed token to cause a buffer overflow.</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>
    <pre cols="72">-- 
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
<a href="mailto:davecb@spamcop.net" target="_blank">davecb@spamcop.net</a>           |                      -- Mark Twain
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Russell<br></div></div></div></div></div></div>