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

CISA Known Exploited Vulnerabilities

Name

Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability

Vendor

Sudo

Product

Sudo

Added to the catalog

2025-09-29

Due date for US federal agencies

2025-10-20

Weaknesses

CWE-829

Catalog version

2026.10.30

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://www.sudo.ws/security/advisories/chroot_bug/
• https://nvd.nist.gov/vuln/detail/CVE-2025-32463

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2025-06-30T21:15:30.257

Last modified

2026-06-17T09:12:02.147

Weaknesses

CWE-829

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.

References

• https://access.redhat.com/security/cve/cve-2025-32463 (Third Party Advisory)
• https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463 (Issue Tracking, Third Party Advisory)
• https://explore.alas.aws.amazon.com/CVE-2025-32463.html (Third Party Advisory)
• https://security-tracker.debian.org/tracker/CVE-2025-32463 (Third Party Advisory)
• https://ubuntu.com/security/notices/USN-7604-1 (Third Party Advisory)
• https://www.openwall.com/lists/oss-security/2025/06/30/3 (Third Party Advisory)
• https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/ (Exploit, Third Party Advisory)
• https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot (Exploit, Third Party Advisory)
• https://www.sudo.ws/releases/changelog/ (Release Notes)
• https://www.sudo.ws/security/advisories/ (Vendor Advisory)
• https://www.sudo.ws/security/advisories/chroot_bug/ (Vendor Advisory)
• https://www.suse.com/security/cve/CVE-2025-32463.html (Third Party Advisory)
• https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/ (Third Party Advisory)
• https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability (Third Party Advisory)
• https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability (Mitigation, Third Party Advisory)
• https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ (Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-32463

CVE record

Assigner

mitre

State

PUBLISHED

Published

2025-06-30T00:00:00.000Z

Updated

2026-02-26T17:50:20.931Z

Problem types

CWE-829 Inclusion of Functionality from Untrusted Control Sphere

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.

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

Read on 2026-11-03T02:16:07.227Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/32xxx/CVE-2025-32463.json

Detection rules (SigmaHQ)

SigmaHQ rules whose own tags name this CVE. Each rule page shows the rule as its author published it.

• Non-Standard Nsswitch.Conf Creation - Potential CVE-2025-32463 Exploitation (status experimental, level high)

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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