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CVE-2025-32463
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…
Critical9.3Known exploitedEPSS 56.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability.
- Added
- 29 Sept 2025
- Fix due (US federal)
- 20 Oct 2025
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | Critical9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 56.3% · top 0.9% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Weakness
Affected products
- affected 1.9.14 – < 1.9.17p1
References (17)
- https://www.sudo.ws/security/advisories/ (opens in a new tab)
- https://www.sudo.ws/releases/changelog/ (opens in a new tab)
- https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot (opens in a new tab)
- https://www.openwall.com/lists/oss-security/2025/06/30/3 (opens in a new tab)
- https://access.redhat.com/security/cve/cve-2025-32463 (opens in a new tab)
- https://ubuntu.com/security/notices/USN-7604-1 (opens in a new tab)
- https://security-tracker.debian.org/tracker/CVE-2025-32463 (opens in a new tab)
- https://explore.alas.aws.amazon.com/CVE-2025-32463.html (opens in a new tab)
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463 (opens in a new tab)
- https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/ (opens in a new tab)
- https://www.suse.com/security/cve/CVE-2025-32463.html (opens in a new tab)
- https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/ (opens in a new tab)
- https://www.sudo.ws/security/advisories/chroot_bug/ (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability (opens in a new tab)
- https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ (opens in a new tab)exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-32463)Record last updated .