CVE-2025-32463: Sudo · Untrusted Functionality Inclusion
Affects SudoSource CVE Database V5
Exploited in the wild · KEV due 20 Oct 2025 · public exploit available (Metasploit, Exploit-DB) · 55% EPSS : apply the vendor's fix or mitigations to Sudo now.
Data as of 26 Oct 2026, 08:30 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 55.4% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 30 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
1 Metasploit module · 1 Exploit-DB entry, 8 days after disclosure
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 91 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by MITRE Corporation
, 82 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, the same day as disclosure
First Exploit-DB entry (opens in a new tab)
Sudo chroot 1.9.17 - Local Privilege Escalation
, 8 days after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 91 days after disclosure
KEV remediation due
US federal deadline
, 112 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Debiandebian/sudopkg:deb/debian/sudoOther threats | Affected
| Fixed in– |
Ubuntuubuntu/sudopkg:deb/ubuntu/sudoOther threats | Affected
| Fixed in– |
Red Hatredhat/sudopkg:rpm/redhat/sudoOther threats | Affected
| Fixed in– |
SUSEsuse/sudopkg:rpm/suse/sudoOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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
- sudo.ws/security/advisories/ (opens in a new tab)
- sudo.ws/releases/changelog/ (opens in a new tab)
- stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot (opens in a new tab)
- openwall.com/lists/oss-security/2025/06/30/3 (opens in a new tab)
- access.redhat.com/security/cve/cve-2025-32463 (opens in a new tab)
- ubuntu.com/security/notices/USN-7604-1 (opens in a new tab)
- security-tracker.debian.org/tracker/CVE-2025-32463 (opens in a new tab)
- explore.alas.aws.amazon.com/CVE-2025-32463.html (opens in a new tab)
- bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463 (opens in a new tab)
- suse.com/support/update/announcement/2025/suse-su-202502177-1/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-32463.html (opens in a new tab)
- 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)
- sudo.ws/security/advisories/chroot_bug/ (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability (opens in a new tab)
- iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463 (opens in a new tab)