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[ CVE-2025-32463 · Published 30 Jun 2025 ]

Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 55%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-09-29
  • EPSS: 55% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official 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.

CISA: Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 20 Oct 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References