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[USN-8092-1] Sudo vulnerability

Posted on 12 March 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8092-1
March 12, 2026

sudo vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Sudo could be made to run programs as an administrator.

Software Description:
- sudo: Provide limited super user privileges to specific users

Details:

It was discovered that Sudo incorrectly checked return codes when dropping
privileges to run the mailer. A local attacker could possibly use this
issue to escalate privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
sudo 1.9.17p2-1ubuntu1.1

Ubuntu 24.04 LTS
sudo 1.9.15p5-3ubuntu5.24.04.2
sudo-ldap 1.9.15p5-3ubuntu5.24.04.2

Ubuntu 22.04 LTS
sudo 1.9.9-1ubuntu2.6
sudo-ldap 1.9.9-1ubuntu2.6

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8092-1
https://launchpad.net/bugs/2143042

Package Information:
https://launchpad.net/ubuntu/+source/sudo/1.9.17p2-1ubuntu1.1
https://launchpad.net/ubuntu/+source/sudo/1.9.15p5-3ubuntu5.24.04.2
https://launchpad.net/ubuntu/+source/sudo/1.9.9-1ubuntu2.6

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