Actively exploited · Published Jun 30, 2025 · Assigned by mitre
CVE-2025-32463
Critical 9.3 Exploited
In plain English
A critical-severity security flaw in Sudo from Sudo project. Attackers are actively exploiting it in the wild (listed by CISA on September 29, 2025). The chance it is exploited in the next 30 days is estimated at 56.3% (higher than 99.1% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Fixed versions are available - upgrade the affected package.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Oct 20, 2025.
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | sudo | 1.9.15-8.p5.el10_0.2 | ALSA-2025:11537 |
| AlmaLinux:10 | sudo-python-plugin | 1.9.15-8.p5.el10_0.2 | ALSA-2025:11537 |
| Alpine:v3.21 | sudo | 1.9.17_p1-r0 | ALPINE-CVE-2025-32463 |
| Alpine:v3.22 | sudo | 1.9.17_p1-r0 | ALPINE-CVE-2025-32463 |
| Alpine:v3.23 | sudo | 1.9.17_p1-r0 | ALPINE-CVE-2025-32463 |
| Alpine:v3.24 | sudo | 1.9.17_p1-r0 | ALPINE-CVE-2025-32463 |
| Debian:13 | sudo | 1.9.16p2-3 | DEBIAN-CVE-2025-32463 |
| Debian:14 | sudo | 1.9.16p2-3 | DEBIAN-CVE-2025-32463 |
| Rocky Linux:10 | sudo | 0:1.9.15-8.p5.el10_0.2 | RLSA-2025:11537 |
| Ubuntu:22.04:LTS | sudo | 1.9.9-1ubuntu2.5 | USN-7604-1 |
| Ubuntu:24.04:LTS | sudo | 1.9.15p5-3ubuntu5.24.04.1 | UBUNTU-CVE-2025-32463 |
| Ubuntu:24.04:LTS | sudo | 1.9.15p5-3ubuntu5.24.04.1 | USN-7604-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sudo project | Sudo | 1.9.14 – before 1.9.17p1 |
Weakness: CWE-829 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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
- https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463 government-resource