CVE-2025-32463
Published 2025-06-30 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2025-32463 is a critical-severity (CVSS 9.3) vulnerability in Sudo Sudo. CISA added it to the Known Exploited Vulnerabilities catalog on September 29, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by October 20, 2025. CISA does not currently list it as used in ransomware campaigns. Sudo has 2 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 2 known-exploited Sudo vulnerabilities →Description
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Sudo — Sudo
Name: Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Date added: 2025-09-29 · Due: 2025-10-20
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
- https://access.redhat.com/security/cve/cve-2025-32463
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463
- https://explore.alas.aws.amazon.com/CVE-2025-32463.html
- https://security-tracker.debian.org/tracker/CVE-2025-32463
- https://ubuntu.com/security/notices/USN-7604-1
- https://www.openwall.com/lists/oss-security/2025/06/30/3
- https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/
- https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot

