vulnerability
Arch Linux: Privilege escalation (CVE-2020-27187)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Oct 26, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Oct 26, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
kpmcore_externalcommand helper contains a logic flaw in which the service invoking dbus is not properly checked. An attacker on your local machine can replace /etc/fstab, execute mount and other partitioning related commands while KDE Partition Manager is running. mount command can then be used to gain full root privileges.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-27187
- https://attackerkb.com/topics/CVE-2020-27187
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1890199
- URL-https://github.com/KDE/partitionmanager/compare/v4.1.0...v4.2.0
- URL-https://kde.org/info/security/advisory-20201017-1.txt
- URL-https://security.archlinux.org/ASA-202010-8
- URL-https://security.gentoo.org/glsa/202011-03
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