RHSA-2021:1723: Red Hat Security Advisory: sudo security and bug fix update

An update for sudo is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.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 Red Hat Enterprise Linux 8.4 Release Notes linked from the References section. Related CVEs:
• CVE-2021-23239: sudo: possible directory existence test due to race condition in sudoedit
• CVE-2021-23240: sudo: symbolic link attack in SELinux-enabled sudoedit