CVE-2025-32463

Summary

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 Software

Weaknesses

• CWE-829: CWE-829 Inclusion of Functionality from Untrusted Control Sphere

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: no
  • Technical Impact: total

Additional References

• https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463

References

• https://www.sudo.ws/security/advisories/
• https://www.sudo.ws/releases/changelog/
• https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot
• https://www.openwall.com/lists/oss-security/2025/06/30/3
• https://access.redhat.com/security/cve/cve-2025-32463
• https://ubuntu.com/security/notices/USN-7604-1
• https://security-tracker.debian.org/tracker/CVE-2025-32463
• https://explore.alas.aws.amazon.com/CVE-2025-32463.html
• https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463
• https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/
• https://www.suse.com/security/cve/CVE-2025-32463.html
• https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/
• https://www.sudo.ws/security/advisories/chroot_bug/
• https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability

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