Public bug reported:
This is a configuration bug that affects the hirsute-proposed version of
sudo. This bug causes sudo when re-configuring, to assign to an unused
user id that is neither the end user nor root. The result is that sudo
will refuse to run, returning an error message that is displayed below:
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
The reconfiguration is the last process that occurs in a normal update
though because sudo will not be usable at this time, the su command with
root password must be used instead for accessing root privileges.
If you have already upgraded from hirsute-release to hirsute-proposed
and you are affected by this bug, please reinstall, and in release do
sudo passwd root and then configure the password for the root account
and then once update use su for the time being. Once the bug is fixed
however please for security reasons delete the root account and use sudo
for root privelages.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: sudo 1.9.5p2-2ubuntu1
ProcVersionSignature: Ubuntu 5.10.0-14.15-generic 5.10.11
Uname: Linux 5.10.0-14-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu58
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb 15 20:57:37 2021
InstallationDate: Installed on 2021-02-16 (0 days ago)
InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210215)
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: sudo
UpgradeStatus: No upgrade log present (probably fresh install)
VisudoCheck:
/etc/sudoers: parsed OK
/etc/sudoers.d/README: parsed OK
modified.conffile..etc.sudoers: [inaccessible: [Errno 13] Permission denied:
'/etc/sudoers']
modified.conffile..etc.sudoers.d.README: [inaccessible: [Errno 13] Permission
denied: '/etc/sudoers.d/README']
** Affects: sudo (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute package-from-proposed
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https://bugs.launchpad.net/bugs/1915774
Title:
Sudo owner changed to user #2001 after update
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