This bug was fixed in the package dmidecode - 3.0-2ubuntu0.2
---------------
dmidecode (3.0-2ubuntu0.2) xenial; urgency=medium
* Restrict /dev/mem scanning for entry point to x86, fixing crashes
on certain ARM platforms (LP: #1858615):
- New debian/patches/0140-Fix_scan_entry_point.patch (Cherry picked from
upstream Commit e12ec26e19e02281d3e7258c3aabb88a5cf5ec1d.
-- dann frazier <da...@ubuntu.com> Mon, 27 Jan 2020 11:29:42 -0700
** Changed in: dmidecode (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1858615
Title:
dmidecode triggers system reboot on Inforce 6640
Status in cloud-init:
Invalid
Status in dmidecode package in Ubuntu:
Fix Released
Status in dmidecode source package in Xenial:
Fix Released
Status in dmidecode source package in Bionic:
Fix Released
Status in dmidecode source package in Eoan:
Fix Released
Status in dmidecode source package in Focal:
Fix Released
Status in dmidecode package in Debian:
Fix Released
Bug description:
[Impact]
Running 'sudo dmidecode' on non-UEFI ARM systems can cause them to
crash/reboot. cloud-init apparently runs dmidecode as root, so it breaks any
cloud-init based installation.
[Test Case]
sudo dmidecode
[Fix]
Upstream has the following fix:
commit e12ec26e19e02281d3e7258c3aabb88a5cf5ec1d
Author: Jean Delvare <jdelv...@suse.de>
Date: Mon Aug 26 14:20:15 2019 +0200
dmidecode: Only scan /dev/mem for entry point on x86
[Regression Risk]
In Ubuntu, dmidecode only builds on amd64, arm64, armhf & i386.
The fix is to disable code on !x86, so the regression risk is restricted to
ARM platforms, where we know /dev/mem trolling is bad news.
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