UNKNOWNCVE-2026-35535

In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

Platform

linux

Component

sudo

Fixed in

3e474c2f201484be83d994ae10a4e20e8c81bb69

In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

How to fix

Actualizar Sudo a una versión posterior a 1.9.17p2. Esto corrige la vulnerabilidad que permite la escalada de privilegios debido a un manejo incorrecto de errores durante la caída de privilegios antes de ejecutar el mailer.

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