CVE-2025-32463
Published: July 1, 2025Last modified: July 4, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | sudo | Fixed (1.9.15_p5-r1) |
| Stream | sudo | Fixed (1.9.17_p1-r0) |
References
- https://access.redhat.com/security/cve/cve-2025-32463
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463
- https://explore.alas.aws.amazon.com/CVE-2025-32463.html
- https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/
- https://security-tracker.debian.org/tracker/CVE-2025-32463
- https://ubuntu.com/security/notices/USN-7604-1
- https://www.openwall.com/lists/oss-security/2025/06/30/3
- https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/
- https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot
- https://www.sudo.ws/releases/changelog/
- https://www.sudo.ws/security/advisories/
- https://www.sudo.ws/security/advisories/chroot_bug/
- https://www.suse.com/security/cve/CVE-2025-32463.html
- https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability