CVE-2025-32463Sudo 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.
Updated under an hour ago ()
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It affects Sudo project Sudo and 7 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Sep 29, 2025; federal agencies had to remediate by Oct 20, 2025. Treat that date as your deadline.
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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
- 9.3 CRITICAL (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-829
- Known exploited
- Added to CISA KEV Sep 29, 2025; federal remediation due Oct 20, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 55.50% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Sudo project Sudo sudo_project:sudo (from the name) | from 1.9.14 before 1.9.17p1 | CNA record |
sudo_project sudo sudo_project:sudo | from 1.9.14 before 1.9.17; 1.9.17 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 22.04; 24.04; 24.10; 25.04 | NVD |
debian debian_linux debian:debian_linux | 11.0; 12.0; 13.0 | NVD |
opensuse leap opensuse:leap | 15.6 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 10.0 | NVD |
suse linux_enterprise_desktop suse:linux_enterprise_desktop | 15; 15 | NVD |
suse linux_enterprise_real_time suse:linux_enterprise_real_time | 15.0; 15.0; 15.0 | NVD |
suse linux_enterprise_server_for_sap suse:linux_enterprise_server_for_sap | 12; 12 | NVD |
References
- https://www.sudo.ws/security/advisories/vendor-advisory
- https://www.sudo.ws/releases/changelog/release-notes
- https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chrootexploit, third-party-advisory
- https://www.openwall.com/lists/oss-security/2025/06/30/3third-party-advisory
- https://access.redhat.com/security/cve/cve-2025-32463third-party-advisory
- https://ubuntu.com/security/notices/USN-7604-1third-party-advisory
- https://security-tracker.debian.org/tracker/CVE-2025-32463third-party-advisory
- https://explore.alas.aws.amazon.com/CVE-2025-32463.htmlthird-party-advisory
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463issue-tracking, third-party-advisory
- https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/third-party-advisory
- https://www.suse.com/security/cve/CVE-2025-32463.htmlthird-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.sudo.ws/security/advisories/chroot_bug/vendor-advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerabilitythird-party-advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerabilitymitigation, 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-2025-32463us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.