Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2023-26604

Published: Mar 03, 2023 | Modified: Jun 20, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.3 MODERATE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-26604
CWEhttps://cwe.mitre.org/data/definitions/.html

systemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible sudoers files in which the systemctl status command may be executed. Specifically, systemd does not set LESSSECURE to 1, and thus other programs may be launched from the less program. This presents a substantial security risk when running systemctl from Sudo, because less executes as root when the terminal size is too small to show the complete systemctl output.

Affected Software

NameVendorStart VersionEnd Version
Debian_linuxDebian10.0 (including)10.0 (including)
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatsystemd-0:219-78.el7_9.11*
Red Hat Enterprise Linux 8RedHatsystemd-0:239-74.el8_8.2*
Red Hat Enterprise Linux 8.6 Extended Update SupportRedHatsystemd-0:239-58.el8_6.13*
SystemdUbuntubionic*
SystemdUbuntuesm-infra/bionic*
SystemdUbuntuesm-infra/focal*
SystemdUbuntufocal*
SystemdUbuntutrusty*
SystemdUbuntutrusty/esm*
SystemdUbuntuxenial*

References

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