RLSA-2021:1723

    Dashboard / Vulnerabilities / RLSA-2021:1723

    RLSA-2021:1723

    Published: 18 May 2021Last Modified: 5 Feb 2026

    Summary: Low: sudo security and bug fix update

    Details: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fix(es): * sudo: symbolic link attack in SELinux-enabled sudoedit (CVE-2021-23240) * sudo: possible directory existence test due to race condition in sudoedit (CVE-2021-23239) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.

    References: https://errata.rockylinux.org/RLSA-2021:1723, https://bugzilla.redhat.com/show_bug.cgi?id=1915052, https://bugzilla.redhat.com/show_bug.cgi?id=1915053, https://bugzilla.redhat.com/show_bug.cgi?id=1923825

    Affected packages

    Package

    Name: sudo

    Purl: pkg:rpm/rocky-linux/sudo?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:1.8.29-7.el8

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:1723 | CVE-DB