What’s Vulnerable › Vulnerabilities

CVE-2025-32463: Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-09-29
• EPSS: 55.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-30 · updated 2026-06-17
• Weakness: CWE-829

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.

Affected products

• Canonical Ubuntu Linux: 22.04, 24.04, 24.10, 25.04
• Debian Linux: 11.0, 12.0, 13.0
• openSUSE Leap: 15.6
• Red Hat Enterprise Linux: 10.0
• sudo: from 1.9.14 before 1.9.17; 1.9.17 — fixed in 1.9.17
• SUSE Linux Enterprise Server 15 SP1: 15-sp6, 15-sp7
• SUSE Linux Enterprise Real Time: 15.0-sp2, 15.0-sp6, 15.0-sp7
• SUSE Linux Enterprise Server For Sap: 12-sp6, 12-sp7

How to fix

Upgrade to a fixed version: sudo 1.9.17. Check the vendor advisory for mitigations.

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
• https://www.sudo.ws/releases/changelog/
• https://www.sudo.ws/security/advisories/
• https://www.sudo.ws/security/advisories/chroot_bug/
• https://www.suse.com/security/cve/CVE-2025-32463.html

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