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CVE-2025-32463

high

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.

References

https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/

https://www.suse.com/security/cve/CVE-2025-32463.html

https://www.openwall.com/lists/oss-security/2025/06/30/3

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://access.redhat.com/security/cve/cve-2025-32463

https://thehackernews.com/2025/07/critical-sudo-vulnerabilities-let-local.html

https://securityaffairs.com/179637/security/critical-sudo-bugs-expose-major-linux-distros-to-local-root-exploits.html

https://www.infosecurity-magazine.com/news/linux-users-urged-to-patch/

https://www.helpnetsecurity.com/2025/07/01/sudo-local-privilege-escalation-vulnerabilities-fixed-cve-2025-32462-cve-2025-32463/

https://www.sudo.ws/security/advisories/chroot_bug/

https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot

https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability

https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability

https://www.sudo.ws/security/advisories/

https://www.sudo.ws/releases/changelog/

https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/

https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/

Details

Source: Mitre, NVD

Published: 2025-06-30

Updated: 2025-07-22

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00012

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability Being Monitored