Public bug reported:
SUMMARY
As a defense against machine code injection against buffer overflow
bugs, most Linux distributions have worked over the years to remove as
many rwx memory mappings as possible in processes.
I checked this on several of my systems and unfortunately I found that
many KDE processes do have rwx memory mappings.
I chose to report this bug against the kded package because it is one of
the most fundamental affected KDE process I found. However, the problem
seems to be more general in KDE. I apologize in advance for not finding
a better software package to report this problem.
STEPS TO REPRODUCE
1. Log in Plasma
2. Run the following command:
$ grep rwx /proc/$(pidof kded5)/maps
OBSERVED RESULT
$ grep rwx /proc/$(pidof kded5)/maps
7f68d7c2a000-7f68d7c3a000 rwxp 00000000 00:00 0
EXPECTED RESULT
No output
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: kded5 5.56.0-0ubuntu1
Uname: Linux 5.1.1-050101-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: KDE
Date: Tue May 14 08:41:00 2019
SourcePackage: kded
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: kded (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco
** Bug watch added: KDE Bug Tracking System #407496
https://bugs.kde.org/show_bug.cgi?id=407496
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https://bugs.launchpad.net/bugs/1828936
Title:
many KDE processes have rwx memory mappings
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