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Ubuntu 25.10 Sudo Critical Privilege Escalation Vulnerability USN-8092-1

ubuntu
Calendar Grey March 12, 2026
Dist Ubuntu Esm H88
Sudo on Ubuntu might permit unauthorized administrative access - it's crucial to apply the recommended updates immediately
Sudo could be made to run programs as an administrator.

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.

Topics%20covered

Topics Covered

security advisory update critical privilege escalation Ubuntu sudo

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8092-1

Topics%20covered

Topics Covered

security advisory update critical privilege escalation Ubuntu sudo

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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